Scientific English Writing Section I
Scientific English Writing Section Ⅱ
CHAPTER PARTS OF SPEECH Independent Work.1 1、对系统的控制是一门跨学科的( interdisciplinary)科目。 2、速度等于距离与时间之比。 3、图5-1Q点对晶体管工作的影响。 4、论文对其性能做了初步的分析 理解二进制数字系统( binary number systems)的基础 是要熟悉(一下)2的各次幂 power) 6、必须确定为走完( cover)这全部距离的一半需要多长的 时间。 7、图1-3画出了一枚玩具“水火箭
CHAPTER I PARTS OF SPEECH 1、对系统的控制是一门跨学科的(interdisciplinary)科目。 2、速度等于距离与时间之比。 3、图5－1 Q点对晶体管工作的影响。 4、论文对其性能做了初步的分析。 5、理解二进制数字系统（binary number systems)的基础 - 是要熟悉（一下）2的各次幂(power)。 6、必须确定为走完(cover)这全部距离的一半需要多长的 - 时间。 7、图1－3画出了一枚玩具“水火箭”。 Independent Work .1
CHAPTER PARTS OF SPEECH Independent Work 1 The control of systems is an interdisciplinary subject 2, Speed is equal to the ratio of distance to time. 3 Figure 5-1 Effect of Q-point on operation of transistor. 4\ An initial analysis of its performance has been made in this paper. 5 Basic to understanding the binary number systems is a familiarity with the powers of 2. 6 It is necessary to determine how long(a time)is required to cover half the total distance. 7、Fig.1-3 shows a toy“ water rocket:
1、The control of systems is an interdisciplinary subject. 2、Speed is equal to the ratio of distance to time. 3、Figure 5-1 Effect of Q-point on operation of transistor. 4、An initial analysis of its performance has been made in - this paper. 5、Basic to understanding the binary number systems is a - familiarity with the powers of 2. 6 、It is necessary to determine how long (a time) is - required to cover half the total distance. 7 、Fig. 1-3 shows a toy “ water rocket .” CHAPTER I PARTS OF SPEECH Independent Work .1
EXERCISES y1.本书讨论 CAD/CAM的技术,应用及范围( scope This book describes the technology, applications and scope of CAD/CAM 2.用三角( trigonometry)来描述电信号已证明是很有价值的。 The use of trigonometry to describe an electrical signal has proved very valuable. 3.感抗( inductive reactance)与电阻之比被称为该电路的Q The ratio of inductive reactance to resistance is called the Q of the circuit
EXERCISES 1. 本书讨论CAD/CAM的技术，应用及范围（scope). 2. 用三角（trigonometry)来描述电信号已证明是很有价值的。 This book describes the technology, applications and scope of CAD/CAM. The use of trigonometry to describe an electrical signal has proved very valuable. 3. 感抗（inductive reactance)与电阻之比被称为该电路的Q。 The ratio of inductive reactance to resistance is called the Q of the circuit
4.这里使用了这两种方法的结合来设计共发放大器 (common-emitter amplifier). Here a combination of these two methods is used to design a common-emitter amplifier. 5.这两个值相差( differ)多少? By how much do these two values differ? 6.当A与B交成60°时,该物体已转了多大的角度? By through what angle will the body have turned when A makes an angle of 60 with B? By how large an angle
4. 这里使用了这两种方法的结合来设计共发放大器 (common-emitter amplifier). Here a combination of these two methods is used to design a common-emitter amplifier. 5. 这两个值相差（differ）多少？ By how much do these two values differ? 6. 当A与B交成60°时，该物体已转了多大的角度？ By [through] what angle will the body have turned when A makes an angle of 60 °with B? By how large an angle …