无系统的

To provide a stable and vibration-proof environment , so that Mask Aligner could be vibration proof even under the high image magnification rate.

提供稳定无震的空间，如此曝光机在高倍率放大的对位情况下对位系统不会有影像振动的情形。

In this paper, a passive optical network based on ATM is presented, and APON's access mechanism is anatomized.

介绍了基于 ATM的无源光网络，对该系统的接入机制进行了深入讨论。

World-wide environmental breakdown, caused by the deranging effects of a cancerous materialism, if not also as the aftermath of the New War.

物质主义如癌细胞般无休蔓延已经造成全球生态环境的恶化；更不用说新一轮世界大战对全球生态系统的严重后果了。

They seldom, or even never, came systematically to the firearm literature of the Ming Dynasty, such as the prescription technology of the firing charge and multi-composition gunpowder.

但对某个时期的火器文献进行深入讨论则较少，而对明代火器文献进行系统的研究，诸如发射火药与多成分火药配方工艺几无涉及甚至是完全空白。

The gearless traction machine with low-speed moving parts ensures long-term reliability of the elevator.

富士永磁同步电机直接驱动的无齿轮曳引机只有低速成运动部件，保证电梯系统的长时间可靠运行。

In this paper, V connection transformers are chosen;cophase power supply systems based on active filter and V connection are studied. By controlling filter with real time detecting methods balances three phases, filter reactive and harmonic currents.

本文选择了&V&型变压器，研究了基于有源滤波器和&V&型变压器的同相供电系统：通过实时检测系统的综合补偿电流，控制有源滤波器，平衡三相，滤除无功和谐波电流。

Its oil equipment industries are located in rebellious provinces,its transportation system is in a shambolic state,and its currency is virtually worthlessLondon Sunday Times

它的油设备工业位于叛乱省份，其运输系统也处于混乱状态，而且其流通货币实际上是无价值的伦敦星期日时报

The scrape tires were pyrolysed under atmosphere of inertia in a pilot-scale rotary kiln designed by Zhejiang University. Pyrolysis experiment was carried out at 500℃, 550℃, 600℃ and 650℃.

采用浙江大学自行开发的中试回转窑热解系统，在无氧的气氛下，对废轮胎进行了热解试验，热解温度为500℃，550℃，600℃，650℃。

This paper presents a method for estimating harmonic admittances of the induction motor used for the sensorless monitoring of a mechanical system driven by the motor.

引 言 无传感器检测已在感应电机转速测量、机械系统的噪声测量、振动识别以及故障诊断中获得成功的应用[1～ 4] 。

The coral ecosystem of the Phoenix Islands is largely intact, making them one of the last havens of ocean wilderness.

这珊瑚的生态系统对于凤凰岛是最大和完整无缺的，制作一个大海避难所。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。