科学家们甚至已经设计了人工开关，当它开启时能够发光和者发出电化学或生物化学信号。
Scientists have even engineered artificial switches to start glowing or giving off some kind of electrochemical or biochemical signal once they are switched "on."
“中草药中有一种化合物可以刺激骨折处修复，”OKeefe说，“它能开启一条修复骨骼信息的信号通路”。
"There is a compound in traditional Chinese herbs that can stimulate fracture repair," o 'keefe says. "it alters a signaling pathway well known to regulate bone formation."
谢诺伊说，但是专家们目前还无法做到的是，如何改变大脑的那些电脉冲信号以开启或者关闭大脑的信息回路。
But what experts can't yet do, Shenoy said, is alter those electrical pulses to turn brain circuits on or off.
这种引擎开/关通知可以自动地在开启与关闭之间切换，或者该系统也可以给司机发送“戒备信号”让司机自己动手开启或关闭汽车引擎。
The stop/start-enginenotifications could switch the engine off and on automatically, or they couldtrigger alerts to the driver to turn it off/on manually.
例如，如果客户想对所有其Domino服务器启用信号灯(semaphore)调试，那么他们可以使用该API来检查每台服务器，查看是否已经开启了相关设置。
For example, if a customer wants to enable semaphore debug on all of their Domino servers; they can use this API to check each server to see if the setting is already turned on.
但锻炼几乎能马上发送运动信号，这些信号会决定哪些基因开启，哪些关闭。
But exercise sets signals in motion almost instantly that determine which genes get turned on and off.
控制器的输入信号为电磁阀升程，控制量是气门开启定时和开启持续时间。
Input signal of controller is solenoid valve lift. Control parameters are valve opening timing and valve open duration.
给出了系统参数与输出信号眼图开启度之间的关系式。
The relationship between the system parameters and the eye pattern opening of the output signal is given.
第四步：公路抢修车及托式信号标车上路时必需开启信号灯。
The fourth step: road repair and support type vehicles on the road must be turned on when signal lights.
返回所内时抢修车及托式信号标车必需开启信号灯。
Return in repair and support type of signal lights must be turned on to the car.
工作时，控制系统根据料位仪传来的信号自动开启或关闭电动闸板阀闸口。
When in work, the control system automatically opens or closes the gate of the electric flashboard valve according to the signals sent by the material level meters.
这个新的信号途径，标志者我们理解发育基因是如何开启和关闭的有了更大的进步。
This novel pathway marks an advance in our understanding of how developmental genes are turned on and off.
SHARON可以实现无人自动停车：伴着智能手机发出一个信号，小型电脑系统随即开启发动机，变速器及方向盘，汽车而后平稳驶入泊位。
SHARON can park herself. At a signal from a smartphone, a system of tiny computers activates her engine, gearbox and steering-and she reverses smoothly into a parking space.
开启系统时，仪器会自动进行零校准。校准完毕后会出现光学和声学信号。
Automatic zero calibration with ambient air on every start of the system, optical and acoustical signal after finishing of calibration.
有时候，有些人只要一打电话就会开启大嗓门模式，就好像他们并不是靠手机信号来传输自己的声音，而是在通过大喇叭传话一样。
Sometimes, some people just cannot help yelling 1 whenever they are on the phone, it seems that their voice is not transmitted through phone signal but via a speaker.
当需要维护时，用户通过信号输出提醒并且LED开启。
When maintenance is required, the user is alerted by a signal output and the LED turning ON.
在欧洲，送圣瓦伦丁之匙给情人“代表着一个浪漫的信号，表示邀请对方来开启自己的心”；也有人把钥匙送给孩子，保佑其百病不侵。
In Europe, Saint Valentine's Keys are given to lovers "as a romantic symbol and an invitation to unlock the giver's heart", and to children, in order to keep away diseases.
在欧洲，送圣瓦伦丁之匙给情人“代表着一个浪漫的信号，表示邀请对方来开启自己的心”；也有人把钥匙送给孩子，保佑其百病不侵。
In Europe, Saint Valentine's Keys are given to lovers "as a romantic symbol and an invitation to unlock the giver's heart", and to children, in order to keep away diseases.
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