文档介绍：Scientific English Writing Section Ⅸ
Ellipsis
Ⅰ. pound sentences
电压的单位是伏特,电流的是安培。
Voltage is measured in volts and current in amperes.
地球吸引月球,月球也吸引地球
The earth attracts the moon and the moon the earth.
 A great many kinds of transistors exist, and many versions of each kind.
电子被注入P区,而空穴被注入N区。
Electrons are injected into the P region, and holes into the N region.
 In the table, a notation(标记) of infinite impedance indicates that the terminating impedance should be a minimum of 10 to 100 times the nominal(额定) impedance at the specific port, and zero that it should be well less than a tenth the nominal impedance at the port and less than a hundredth if possible.
1. common pattern
Ⅱ. Ellipsis in adverbial clauses
When pure, water is a colorless liquid.
金属受热就会膨胀
Metals expand when heated.
conj. +
adj.
p. p.
prep. phrase
n.
it is
they are
+
一个常数无论有多大,决不能说成是无穷大
A constant number, however large, is never spoken of as infinite.
2. set patterns
如果有误差的话,应予以校正(correct).
Errors, if any, should be corrected.
若需要的话,可以把这个函数转换成时函数。
if any 如果有的话,即使有
if
when
where
possible / necessary
if so 如果是这样的话
This equation, if necessary, can be converted to a time function.
Ⅲ. Ellipsis after prep.
(Two prep. share an object)
作者现在从事于图像处理和识别的教学与研究
※※ The author is now engaged in the teaching and researching of image processing and recognition.
必须求出这个电阻上的电流和电压
It is necessary to find out the current through and the voltage across this resistor
这位教授在研究和应用沃氏函数(Walsh Functions)方面起了积极的作用。
 Chapter 4 Measurements of, with, and in the Presence of Noise.
加速度与外力成正比,并且方向相同
 The acceleration is directly proportional to, and in the same direction as, the applied force.
我们想要求出提供给这个器件或由它消耗的平均功率。
 It is desired to find out the average power provided for or dissipated by this device.
E-C Translation:
Section 9. Discontinuous Modification
A study will be made of the percentage of usable and defective parts.
The theory is of great importance that the hotte