demand sign

用法例句

boat handling signals

救生艇收放指挥信号

signal(to)the commanding officer(that...)

向指挥官发信号（报告...）

The commander made a signal with his hand for his soldiers to move on.

指挥员用手势发信号要战士们移动。

Obey traffic lights and "stop" signs.

遵守交通指挥灯和“停车”信号。

In the gallery, the bandmaster, his baton poised, stood waiting for a signal.

音乐廊中，乐队指挥举着指挥棒，站在那儿等待发出信号。

The commander is directing the army forces and giving them orders from the observation post.

指挥员在观察所里指挥军队, 发号施令。

Command Symbols of Army Headquarters in Localities in the Wei, Jin and Southern Dynasties - The Function and Management of Military Governors' Authenticating Objects

魏晋南朝地方军府的指挥符号──府主信物的功能及管理

send a signal by waving a flag or a light according to a certain code.

挥舞旗帜作为一种信号。

She was signaling wildly, waving her arms.

她奋力挥臂发信号。

command, control, communication and intelligence

指挥、控制、通信和情报

fire ground network

火场指挥网无线通信网

Research of LFT5070TZHTX Communication Command Vehicle

LFT5070TZHTX通信指挥车的研制

jurisdictional coverage network

管区覆盖网指挥中心与通信指挥消防车

New Trends in Operational Command under the Conditions of Infomationization--Holographic Command;

信息化条件下作战指挥新趋势——全息式指挥

FC: Return to Mothership immediately Recon Two One Four.

舰队指挥官：立即返回母舰，2-1-4号。

Jean-Luc Picard asses cmand of the U.S.S. Stargazer.

毕凯负责指挥星舰「凝星者号」。

Daimler Chrysler Jeep Commander

号令天下 七座的吉普旗舰——指挥官

Genghis Khan's armies were divided into tightly organized units which were directed by an efficient signaling system using black flags.

成吉思汗的军队是分成组织严密的小队，用一种高效率的黑旗信号系统指挥。