... 承包商，承建商，施工队 contractor 进场信号机（航空） approaching signal 施工现场 camsite; fabricating yard; job location; job site ...
双语例句
1
It can precisely define sampling frequency and sampling amount of true effective value of approachingsignal for A/D conversion system at different speed.
它可为不同时速的A/ D转换系统确定逼近真有效值的精度采样频率和采样个数。
2
It informs drivers approaching from both directions that they must stop for a school bus when its signal lights are flashing.
此标志牌提示两向驶近的车辆，如果标志牌信号灯闪烁时，前方有校车需停车。
3
So by means of the frequency-domain analysis, the character of alarming signal can be deduced and used in the system of portable safety alarming system of train approaching.