02电子科技英语的特定结构及句型 专业英语

1.1
(1)复杂长句多
(2)被动语态多
(3)非谓语动词多
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
It---that---结构
It is evident that a well lubricated
bearing turns more easily than a
dry one .
显然，润滑好的轴承比不润滑的轴承容易转
动.
It---that---结构
It seems that these two branches of
science are mutually dependent and
interacting .
看起来这两个科学分支是相互依存，相互作
用的.
It---that---结构
It has been proved that induced
voltage causes a current to flow in
opposition to the magnetic force
producing it.
已经证明，感应电压使电流的方向与产生
电流的磁场力方向相反。
It---that---结构
It was not until the 19th century that
heat was considered as a form of
energy.
直到十九世纪人们才认识到热是能量的一种
形式。
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
as结构
Computers may be classified as
analog and digital.
计算机可以分为模拟和数字两种.
as结构
This steel alloy is referred to as the
best available here .
人们称这种合金钢是这里所能提供的最好的
合金钢。
as结构
Electromagnetic waves travel at
the same speed as light .
电磁波传播的速度和光速相同。
as结构
Microcomputers are very small in
size , as is shown in Fig.5.
如图5所示，微型计算机体积很小。
as结构
In water sound travels nearly five
times as fast as in air .
声音在水中的传播速度几乎是在空气
中传播速度的五倍。
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
with结构
With a given resistance, the current
is directly proportional to the
electromotive force.
对一定的电阻来说,电流与电动势成正比。
with结构
Iron rusts when it unites with oxygen
from the air.
当铁跟空气中的氧相结合，就会生锈。
with结构
The discovery of quarks with a
charge smaller than an electron
charge will shake the foundation of
modern physics.
夸克带有的电荷小于一个电子的电荷，
这一发现将动摇现代物理学的根基。
with结构
Both practical design techniques
and theoretical problems are
covered with emphasis on general
concepts.
（本文）既讲了实际的设计方法，又讲
了理论问题，而重点放在一般概念上。
with结构
For a conventional motor, even
with 95% efficiency, 80kW would
be lost as heat.
一台传统的电动机，即使效率达95 % ，
也将以热能的形式损失80千瓦电能。
with结构
I can’t concentrate on my work
with so many machines making so
much noise.
由于机器噪音太大，我的精力难以集中
在工作上。
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
省略结构
An object, once in motion ,will
keep on moving because of its
inertia.
物体一旦运动，就会因惯性而持续运
动。
省略结构
All substances ,whether gaseous,
liquid or solid ,are made up of atoms.
一切物质，不论是气态、液态，还是固
态，都由原子组成。
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
Be句型
This is too weak a signal.
Be句型
这台仪器如此灵敏以至于它能测出压力
的微弱变化。
This is so sensitive an
instrument that it can measure
the slight change in pressure.
1.2 科技英语的特定结构及句型
It---that---结构；
as结构；
with结构；
省略结构；
Be句型；
Have句型。
Have句型
(pipe) 50
This pipe has an approximate
length of 50 meters.
Have
X射线(X-rays)的波长(wavelength)
比光线(light rays)短。
X-rays have a shorter wavelength
than light rays.
Have句型
这种物质(substance)的化学结构比那
种物质复杂(complicated)。
This substance has a more
complicated chemical structure
than that one.
Have句型
酒精(alcohol)的沸点(boiling point )
没有水的沸点高。
(没有….高 not as high as)
Alcohol does not have as high
a boiling point as water.
Have句型
A triangle does not have as
many sides as a polygon.
( … not as many as)
Have句型
The advantages of that type of
antenna are simple structure and
high efficiency.
那类天线的优点是结构简单、效率高。
That type of antenna has the
advantages of simple structure and
high efficiency.
Have句型
The resistance of the external
load is lower.
外部负载的电阻比较低。
The external load has a lower
resistance.
Have句型
The property of the zero matrix
is that A+0=A.
A+0=A
The zero matrix has the property
that A+0=A.
Have句型
The frequency of its output waveform
is exactly equal to one-half of the
input.
其输出波形的频率精确地等于输入频率一半。
Its output waveform has a frequency
exactly equal to one-half of the input.
Have句型
The moment (力矩) of inertia of the usual
moving-coil galvanometer (电流计) is too
large to follow the instantaneous values
of an alternating current.)
通常的动圈电流计的惯性矩太大了，以至于
不能跟踪交流电的瞬时值。
The usual moving-coil galvanometer has
too large a moment(力矩) of inertia to
follow the instantaneous values of an
alternating current.
作业
UNIT1
《电子信息专业英语》课程
第2讲 终