查询词典 lock system

This paper introduces the development of the 2cm phase standard which uses phase-held frequency convention and synchronical phase-lock bichannel phase compari- son system.The standard features wide frequency range,wide dynamic range,high accura- cy,multi-function,and convenient operation.It was qualified by self-calibration method.

本文介绍了两厘米相位标准的研制情况，该装置采用变频保相、同步锁相的双通道比相系统，具有频率范围宽，动态范围大，准确度高，操作方便，多功能等特点，利用自校准法对装置进行了测试检定。

With this small utility, my system volume is mute every time I lock my computer.

有了这个小工具，我的系统卷是哑吧每当我锁我的电脑。

This system uses the deuterium lamp as its blazed lamp-house, and makes mechanical turnplate in use of modulating light signal with two frequencies, which is drived by in-phase electromotor with constant velocity. A potomultiplier tube is used to conversion optical signal to electric signal. Using Lock-In Amplifiers to realize magnifying the metrical signal using difference method with two different frequencies. We also analyze its principle of each part of the apparatus and design the realization circuits of each part. The data analysis and the in-phase electromotor control circuits are fulfilled by SCM; the single chip control systems hardware interface and software design are given.

该系统的光路部分使用氘灯作为激发光源，用同步电机恒速驱动的机械盘调制出双频光信号，利用一个光电倍增管进行光电信号转换；信号处理部分采用锁相放大器实现信号双频差分处理，分析了其各组成部分的原理，设计了各部分的具体实现电路；使用单片机进行数据差分处理和电机控制，给出了单片机控制处理系统的硬件接口电路和软件设计。

System call on file manager, such as: fcntl, link, unlink, especially to realize many process share one file by using the lock of fcntl.

文件管理方面的系统调用 fcntl ， link， unlink 。特别地，使用 fcntl 的锁机制，实现多进程共享一个文件。

An aviation electric lock control system made up of brushless DC motor and mechanism of worm and gear was introduced.

介绍了一种由无刷直流电动机和蜗轮蜗杆机构组成的航空电动锁控制系统。

It is provided with the functions of auto-flameout, ABS braking system, buffering and auto-lock, it could be reacted to a better soften protection from a frontal impact as well as a rear collision(50~80/km/hr),thereby it can effectively insure the safety of the automobile, driver and passenger, in order to take from damnify of a car accident.

具有自动熄火、自动刹车、缓冲、自锁功能，对来自汽车前、后方的冲击（50~80公里/小时），能起到较好的柔性的安全保护作用，从而有效地保护了汽车和司乘人员的安全，减轻交通事故的损失。这里专家的回答会让您满意

It is provided with the functions of auto-flameout, ABS braking system, buffering and auto-lock, it could be reacted to a better soften protection from a frontal impact as well as a rear collision(50~80/km/hr),thereby it can effectively insure the safety of the automobile, driver and passenger, in order to take from damnify of a car accident.

具有自动熄火、自动刹车、缓冲、自锁功能，对来自汽车前、后方的冲击（50~80公里/小时），能起到较好的柔性的安全保护作用，从而有效地保护了汽车和司乘人员的安全，减轻交通事故的损失。

In order to solve the problems of dewatering and hydraulic connection among the multi-aquifer system in the excavation of the pits of the Dasi deep well gate and the lock gate,pumping tests were conducted in the field and the characteristics of groundwater transport in the ③_2 and ⑤ find sands were analyzed.

为了解决大寺深孔闸、船闸基坑开挖时的降排水工作及多层含水层的相互联通关系，我们进行了现场抽水试验，查明了拟建场地地基土③2层极细砂和⑤层极细砂的地下水运移特征，提出了基坑开挖应采取的排水措施。

The authors review the studies on filling and emptying layout,hydraulic characteristic,pattern of energy dissipater,key technology,and also introduce the constructive experiences and results on filling and emptying system of navigation lock in China,U.

从输水系统布置、水力特征、消能工型式、关键技术等方面对高水头船闸输水系统进行了综述；并介绍了中国、美国、前苏联等航运发达国家的船闸输水系统建设经验和研究成果

This system has been used in a phonetic electronic lock in the floor door elementarily.

生物识别技术是指通过计算机利用人类自身生理或行为特征进行自动身份认定的一种技术。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。