1.
primary current (of a current transformer)
（电流互感器的）一次电流
2.
He goes to the pictures once a week.
他每星期去看一次电影。
3.
She goes to the cinema once a week.
她每星期去看一次电影。
4.
electrode (excl. of carbon) for primary cells or batteries
一次电池或原电池电极（不包括碳精的）
5.
Charge us$35 per call to speak to" Bob" in Bangalore when we have problems.
每打一次电话就让电信收他35大洋。
6.
usually they have to be replaced every two years.
一般情况下，每两年就要更换一次电池。
7.
The word "blitz" means an attack or campaign.
“闪电战”指一次攻击或一次战役。
8.
You'll have to take an electrocardiograph examination.
你要做一次心电图检查。
9.
one-hop-E sky wave
E电离层一次反射波
10.
Will there be another blackout tomorrow?
明天会再来一次停电吗？
11.
Design of primary circuit typical diagram for 110 kV substation of wind farm
风电场110kV变电所电气一次标准图设计
12.
Welcome every call as an opportunity, not an interruption.
把每次来电看作一次机会，而非打扰。
13.
Analysis of lightning prevention of primary and secondary equipments in power system
浅析电力系统一次、二次设备的防雷
14.
Analysis of a reversed feeding fault from secondary to primary circuit in the substation
变电站二次侧向一次侧反送电故障分析
15.
An electrode used in certain electron tubes to provide secondary emission.
中间极，二次发射电极一种用于一定电子管作第二次发射电极
16.
Last measured total full charged battery capacity
上一次测量的完全充电的电池总容量
17.
Power generation means conversion of energy from a primary form to the electrical form.
发电就是将一次能源转变为电能。
18.
This experiment proves that lightning and electricity are the same.
这次实验证明了闪电和电是一回事。