Lectures and Discussions

There are mainly two styles of teaching at universities -- lectures and discussions. Each has its own characteristics. Lectures are actually the teacher's talk to a class for the purpose of teaching. In this kind of class, the teacher plays a central role, while the students are mainly the listeners. Compared with lectures, discussions are more flexible. Students can examine and argue about a subject with each other in this kind of class. Lectures are especially suitable for big classes hecause it will be easier to keep the students under control, while discussions are typically for small classes for the reason that they are more likely to go out of control. In a word, lectures and discussions are two quite different styles of teaching, so we should choose either of them or combine them together reasonably according to the circumstances.
The relentless pursuit of perfection
Poetry in motion，dancing close to me
Come to where the flavor is
the past is black and white
the future is always color
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individuality

American are proud of their variety an individuality, yet they love and respect few things more than a uniform, whether it is the uniform of an elevator operator or the uniform of a five star - general. Why are uniforms so popular in the United States?
　　Among the arguments for uniforms, one of the first is that in the eyes of most people they look more professional than civilian clothes. People have become conditioned to expect superior quality from a man who wears a uniform. The television repairman who wears a uniform tends to inspire more trust than one who appears in civilian clothes, Faith in the skill of a garage mechanic is increased by a uniform . What easier way is there for a nurse, a policeman, a barber, or a waiter to lost professional identity than to step out of uniform?
　　Uniforms also have many practical benefits. They save on other clothes, They save on laundry bills. They are tax - deductible . They are often more comfortable and more durable than civilian clothes.
　　Primary among the arguments against uniforms is their lack of variety and the consequent loss of individuality experienced by people who must wear them. Though there are many types of uniforms, the wearer of any particular type is generally stuck with it, without change, until retirement. When people look alike, they tend to think, speak, and act similarly, on the job at least.
　　Uniforms also give rise to some practical problems. Though they are long - lasting, often their initial expense is greater than the cost of civilian clothes. Some uniforms are also expensive to maintain, requiring professional dry cleaning rather than the home laundering possible with many types of civilian clothes.
only the world
Obey your thirst
We lead．Others copy
Impossible made possible
Take time to indulge
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the orders correctly

supervise and help the sales executives to follow all the orders correctly and ensure the on time shipment to customers all over the world (take care of all order polo shirts shop details, pass on the order information to Production Control Dept., keep customers informed about the order process situation, make judgments on small details). Work closely with other cheap jeans shop departments like Production Control , QC, Manufacturing and R&D etc. to solve the problems occurred during the manufacture process (team work needed here). All the correspondences about the orders sent to the overseas customers were all under my name in this company.Go to HK to visit customers, present new products, take orders and collect the advices or opinions from customers about our products and service. Take actions to improve our products and service accordingly. In charge of the ugg boots 2010 arrangements whenever foreign customers come to visit the headquarter/factory in cheap polo shirts Zhuhai, take them for a factory tour to introduce the manufacture process etc.. Have best clothes blog meeting with customers and follow the relevant orders and other detailed requests. Attend the annual International Watch Fair in Basel, Switzerland and HK as the sales representative/manager since 1999. Also attended the Dubai Watch Fair in U.A.E in 2000.Lead 12 members of the department to fulfil all the sales and customer service work in the company. In charge of the administration management of the Sales Department, including looking for the qualified candidates and training the new staff etc. going to the Man power resource market to interview the candidates of sales, artists and clerks. Scheme the salary plan, arrange the training courses and evaluate the work performances of the staff.Reporting directly to the Vice President (native English speaker) who’s in charge of the overseas Sales and Marketing, I collected and provided all the necessary information he needed, reported to him on daily basis by e-mail or phone call when he was in the States, HK etc. and took action according to his instructions.
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existing techniques

Secondly, the dissertation exhibits various categories of existing techniques on spectrum sensing in CR, including matched filter detection, energy detection, cyclostationary feature detection in local detection; AND-rule, OR-rule, K-rule in multiple nodes sensing .However, local detection is compromised when a user experiences shadowing or fading discount wedding gowns effects.So thirdly, cooperative spectrum sensing is employed to detect the presence of primary user quickly and accurately. We adopt the cooperative schemes with orthogonal transmission in a TDMA system which has been recently proposed by G. Ganesan and Y.G. Li. A cooperative scheme ,in which cognitive users U1 and U 2operative in the same band to cooperate by using the user U 2to act as a relay for custom made prom dresses U1 under the AF protocol while the cognitive user U1 receives less power from the primary user. But in this scheme impacts of some important parameters are neglected. We first propose a novel cheap shoes blog 2010 model to depict cooperative sensing performance accurately, the feasibility of our model is well explained and supported by extensive simulations. Then we analyze the sensing performance using our model, and exhibit some new results and their interpretations. We find that, for a user, the improvement in sensing wedding dresses 2010 performance is fairly more sensitive to the ratio of path loss exponent between the channel from primary user to cognitive user and the channel from cognitive user to cognitive user (blog wedding dresses 2010). Also , the decrease of sensing performance due to the increasing of the angleφis impacted byα2 /α1,andφdenotes the angle between the straight line from PUto U1 and the straight line from PUto U 2.Moreover, gain is also pretty sensitive toα2 /α1when the transmit powers is varied, and cooperative gain of U1 can be neglected if the transmission power of cognitive user is much smaller than that of PU.It is hard to achieve cooperation gain for U1 if cognitive user’s transmissions attenuate faster with distance than primary transmissions do.
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