...数据访问(HistoricalData Access)、安全性(Security)、XML数据访问(XML-DA)、复合数据(Complex Data)、指令(Commands)等。OPC采用统一的方式存取不同生产商的设备或子系统,实现“互操作”。
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Recent Commands 当前命令 ; 最近使用过的命令 ; 最近的命令 ; 当前下令
All Commands 所有命令 ; 所有号令
keyboard commands 键盘命令
Standard commands 标准命令 ; 标准口令
Shape Commands 图形命令
Auto completion for commands 自动完成命令 ; 自动实现命令
Modem commands 调制解调器命令
system commands 系统命令
Operating system commands 操作系统指令
V-T If someone in authority commands you to do something, they tell you that you must do it. 命令 [书面]
He commanded his troops to attack.
他命令他的部队进攻。
"Get in your car and follow me," she commanded.
“上车然后跟我来,”她命令道。
N-VAR Command is also a noun. 命令
The tanker failed to respond to a command to stop.
油轮未能对停止前进的指令做出反应。
I closed my eyes at his command.
我听从他的命令闭上了眼睛。
V-T If you command something such as respect or obedience, you obtain it because you are popular, famous, or important. 博得 [no cont]
...an excellent physician who commanded the respect of all her colleagues.
…一位博得所有同事尊敬的杰出医生。
V-T If an army or country commands a place, they have total control over it. 完全控制
Yemen commands the strait at the southern end of the Red Sea.
也门完全控制着红海南端的海峡。
N-UNCOUNT Command is also a noun. 完全控制权
...the struggle for command of the air.
…对制空权的争夺。
V-T An officer who commands part of an army, navy, or air force is responsible for controlling and organizing it. 指挥
...the French general who commands the U.N. troops in the region.
…指挥着这一地区联合国部队的法国将军。
N-UNCOUNT Command is also a noun. 指挥
...a small garrison under the command of Major James Craig.
…一小支在詹姆斯·克雷格少校指挥下的卫戍部队。
N-COUNT-COLL In the armed forces, a command is a group of officers who are responsible for organizing and controlling part of an army, navy, or air force. 指挥部
He had authorization from the military command to retaliate.
他得到了军事指挥部进行还击的授权。
N-COUNT In computing, a command is an instruction that you give to a computer. 指令
I entered the command into my navigational computer.
我把指令输入了我的导航计算机。
N-UNCOUNT If someone has command of a situation, they have control of it because they have, or seem to have, power or authority. 控制 (局面等)
Mr. Baker would take command of the campaign.
贝克先生将负责这次运动。
N-UNCOUNT Your command of something, such as a foreign language, is your knowledge of it and your ability to use this knowledge. 掌握
His command of English was excellent.
他的英语相当出色。
PHRASE If you have a particular skill or particular resources at your command, you have them and can use them fully. 掌控
The country should have the right to defend itself with all legal means at its command.
这个国家应该有权动用它所掌控的所有法律手段来捍卫自己。
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