现场作业的英文：
field operation
n. 原野，田地；运动场；领域，专业；实地，野外
adj. 实地的，野外的，野战的；野生的；田间的
v. 接球；巧妙回答
A rectangular field is to be subdivided into eight equal fields to sell.
这块矩形的土地被划分成八等分再出售。
Scatter seeds on the fields/scatter the fields with seeds
在田里播种[把种子撒在田地里]
They leveled a field yesterday.
他们昨天平整场地了。
The smoke billowed over the field.
烟波涛般滚滚向前越过原野。
A charge or device on a field.
徽章底色上的图案标记
n. 运转；行动；手术；运算
The operator O is the null operator.
算符O是零算符。
They are computer operators.
他们是计算机操作员。
monitor operator
之声监听员
It is a major operation. It is a very messy operation.
这是大手术，难度很大。
Has operator received pump instruction and operations manual?
操作者是否收到泵说明书和操作手册?