名词从句(4) (复习课)
找出句中的名词从句，并将其译成汉语： 1. Whether or not an amplifier(放大器) is required(需要) before the mixer(混频器) depends on the particular application. 2. At the beginning(初) of the 20th century(世纪) it became known that there exist(存在) some nuclei(原子核) capable of(能够) emitting(发射) radiation(辐射). 3. Does it matter(有关系) whether the receiving(接收的) antenna(天线) is vertical(垂直的) or horizontal(水平的)?
4. Another factor(因素) is how much heat(热) is produced(产生) when a given(给定的) amount(量) of energy(能量) is dissipated(消耗). 5. By establishing(确定) whether or not light can be polarized(极化), we have a means(方法) for determining(确定) which type of wave(波) it consists of(由…组成) 6. A horizontal(水平的) rope(绳子) is used to pull(拉) the load(负荷) to where it is required.
7. It does not basically(基本上) make any difference(区别) in which direction(方向) an NPN transistor(晶体管) is operated(运作). 8. It is a familiar(熟悉的) fact that atmospheric(大气的) pressure(压力) decreases(减少) with increasing(增加的) altitude(高度). 9. It remains(有待) now to be seen when Hamiltonian(哈密尔顿函数) satisfies(满足) Eq. (2).
10. This figure(图) can be redrawn(重画) to make it appear(似乎) that there may be more than one node (节点).