1.
Angle-measuring capacitive sensor with 4～20mA current output
一种4～20mA电流输出的电容角度传感器
2.
Pick up 4~20mA Current Loop Signal under High Common-mode Voltage
高共模电压下4～20mA电流环路信号的拾取
3.
Design of Industrial 4/20mA Two-wire Transmitter
工业用4/20mA两线制变送器的设计
4.
"April the 4th, 1984, "
“1984年，4月4日，”
5.
cm in thickness/a thickness of cm
厚4 厘米[4 厘米的厚度]
6.
1.2.1.1 Levels of the environmental systems
4·2·4·1环境层次系统
7.
Cylinder #4 Mis-fire
Cylinder #4 Mis-fire（汽缸#4熄火）
8.
angle of attack: 0, 4 and 8 deg;
攻角0°,4~(?) ,8~(?)
9.
Research on Formation Mechanism of Industry Chain:"4+4+4" Model;
产业链形成机制研究——“4+4+4”模型
10.
About the Diophantine Equation X + mY4= Z;
关于丢番图方程x~4+my~4=z~4
11.
X~4+Y~4=Z~4(No Integer Solution);
X~4+Y~4=Z~4无整数解完整解法
12.
America takes the 4-3-2 formation while Germany takes 4-4-2.
美国队采取4-3-3阵形，德国队采取4-4-2阵形。
13.
The Integer Solutions of the Equation (x~4+y~4+z~4)~2=2(x~8+y~8+z~8);
方程(x~4+y~4+z~4)~2=2(x~8+y~8+z~8)的整数解
14.
Integral Root of Diopnantine Equation 3x~4-10x~2y~2+3y~4-=4;
关于丢番图方程3x~4-10x~2y~2+3y~4=-4的整数解
15.
Synthesis and Characterization of 4 - (4” - trans - n alkylcyclohexanemethoxy) - 4 - Cyanobiphenyls;
4-(trans-4”’-n-烷基环己烷甲氧基)-4 -氰基联苯的合成
16.
Synthesis of 1-(4-hydroxylphenyl)-4-(4-nitrophenyl) Piperazine
1-（4-羟基苯基）-4-（4-硝基苯基）哌嗪的合成研究
17.
Review on Synthesis of 1-(4-Hydroxylphenyl)-4-(4-nitrophenyl) piperazine
1-(4-羟基苯基)-4-(4-硝基苯基)哌嗪的合成概述
18.
case integral-value4 : statement;
case整数值4:语句;