查询词典 pre-requisite

Powerful and easy-to-use drawing tools and many pre-drawn library objects, programming does not need to start anew.

强大和易於使用的绘图工具和许多前制定的图书馆对象，编程并不需要重新开始。

The ECS drive shaft comes factory pre-assembled for quality checking, but it is not immediately ready to use.

精英是传动轴工厂预组装的质量检查，但它并不是立即就能使用了。

This paper presents a low-voltage excitation with feedback method. By pre-excitations, the vibration frequency of the sensor can be got to used as the output of the driver. The feedback signal frequency is very close to the real frequency of the sensor, so the wire can reach resonance state quickly.

本文提出一种反馈式低压激振方法，降低拨弦激振电压对传感器进行预激振，将反馈的振动频率信号作为输出，对传感器进行复振，可以在很短时间内使振弦达到共振状态。

Compared to where technology in espresso is going today - individual group-cap boilers for each group, dual boiler, dual PID, heat exchanger pre-heating the brew boiler water and mix-valve fine tuning individual on the fly grouphead temperature controls - the heat exchange boiler/brew system is possibly at the limit of its capabilities and risks being left behind by these newer technologies.

对比今天意式浓缩咖啡机技术的发展-独立冲泡锅炉系统对于每个冲煮头，双锅炉，双锅炉PID，热交换冲煮之前的预热水和混合阀微调在不同的冲煮头上进行温度控制-热交换锅炉/冲煮系统是在处理他们能力受到限制或者是减低风险的时候留下了这个继续解决的新技术。

Thus, you have dealers such as David Duggan and the Watch Club who are able to sell you pre-owned watches, with boxes and papers, for truly substantial savings.

所以你可以从David Duggan和Watch Club等经销商那里买到有包装和证书、价格非常实在的二手手表。

Thus, you have dealer s such as David Duggan and the Watch Club who are able to sell you pre-owned watches, with boxes and papers, for truly substantial savings.

所以你可以从David Duggan和Watch Club等经销商那里买到有包装和证书、价格非常实在的二手手表。

Dumas pre大仲马 Other men live to eat, while I eat to live.

别人为食而生存，我为生存而食。

Blexandre Dumas Pére大仲马It is not enough to be industrious,so are the ants.

光勤劳是不够的，蚂蚁也是勤劳的。

Secondly, PU pre-polymer was modified by acrylate monomers using twomethods.The first,PU emulsion with no saturated duplet bond was prepared.

第一种方法是先制备出含有不饱和双键的PU乳液，加入丙烯酸酯单体与PU乳液共聚，形成互穿网络。

With the European powers militarily exhausted by the war in Europe, the United States was the only power in the Pacific able to stop Japan from invading the Dutch East Indies, and by moving the Pacific fleet from San Diego to Pearl Harbor, Hawaii, Roosevelt made a pre-emptive strike on that fleet the mandatory first step in any Japanese plan to extend it's empire into the "southern resource area."

上筋皮力尽时，美国成为太平洋上唯一能制止日本侵略荷属东印度群众岛，借着从圣地牙哥派遣太平洋舰队到夏威夷的珍珠港，罗斯福对那舰队作出先发制人的攻击，那是日本要在南方资源区扩展其帝国的任何计画的第一步。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。