pre的例句大全

Practices of prolonging the service life of 135 kA pre-baked anode reduction cell

135kA预焙阳极电解槽延长槽寿命的生产实践

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Based on the study in this paper, Experiment on stability of external ballistics for hollow projectile, the static pressure of Jet flow field, emission theories of the pre-nozzle low recoil weapon are carried out.

根据本文所研究内容，分别对环形空心弹丸外弹道稳定性、喷口外流场静压力、喷管前置式低后坐武器发射性能进行了实验研究。

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The introduction of the new online billing system forthe first time to make pre-and post-paid billing supporting to reach equilibrium.

新的在线计费系统的引入首次使预、后付计费支撑能力达到平衡。

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Full-service operating environment, the network convergence, business integration, pre-paid post-paid convergence, terminal integration has become an inevitable trend, based on differences in the integration of competition, is the only way for the new telecommunications.

新电信的出路在哪里？全业务运营环境下，网络融合、业务融合、预付费后付费融合、终端融合已经成为必然趋势，基于融合的差异化竞争，才是新电信惟一出路。

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Based on Diameter scheme, the following research may contrapose the character of 3G services and networks, combine the developing trend of accounting system of inland and overseas, research on the convergence of pre-paid and post-paid, implement the unified support of the two group of users.

基于Diameter方案，后续研究工作可针对3G网络和业务的特点，结合国内外计费系统的发展趋势，研究后付费和预付费的融合方案，实现两大用户群的统一支撑方案。

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A pre-paid phone card.

一种先付话费的手机卡。

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The Pre-reinforcement of Subway Passing Through the Bell Tower of Xi'an and the Construction Measures of Shield Machine

地铁线路穿越钟楼的预加固及盾构施工措施

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The selectivity of the method may be increased by addition of thiocarbamide as masking reagent and pre-separation of the interferential elements using NH_3-NH_4Cl. This method is simple, rapid and accurate.

加入硫脲作掩蔽剂和用NH3-NH4CI预分离干扰元素可提高方法的选择性。

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Fluorometric Detection of Biogenic Thiols in Lake Sediment Porewaters by High Performance Liquid Chromatography with Pre-column Derivatization

高效液相色谱荧光检测湖泊沉积物间隙水中的微量硫醇

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The Cognition of the Biological Value in Pre-Qin Times

先秦时代对生物价值的认识

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Wireless Sensor Network ( WSN) was usually vulnerable to conspiracy attack from its adversaries when using bivariate polynomial key pre-distribution protocol.

无线传感器网络在应用二元多项式密钥预分配协议时，通常容易遭受到敌方的合谋攻击。

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Numerical simulations were carried out to investigate the in-furnace combustion parameters at 1000/ 0 BMCR ( boiler maximum continuous rating) load of pre-and post-retrofit cases.

用数值模拟的方法对改造前和改造方案在10000/BMCR负荷下的炉内燃烧参数进行研究。

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In this paper, offered an improved method. With bottom-up control strategy, pre-process and segmentate an image, then extract the edge with a threshold algorithm.

采用自底向上的控制策略，对图像进行预处理和分割，提出利用阈值化轮廓提取算法进行边缘提取。

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After 12 weeks exercise, compared with pre-exercising, MDA in body building sett group and treading footboard group were decreased ( P < 0.05), and MDA in hexagram boxing group was not significantly decreased ( P> 0.05).

与运动前比较，实施运动处方12周后健身车组和踏台阶组血清中MDA含量均显著降低（P<0.05），太极拳组血清中MDA含量降低，但无统计学意义（P>0.05）；

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Study on Operation Optimization in Pre-flood Falling Stage of the Three Gorges Reservoir

三峡水库汛前消落期优化调度方式研究

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The mixed feeding stage of pre-larva is short, only 2-3 days.

前期仔鱼混合营养期短，仅2～3d。

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What better to satiate some pre-election hunger pangs than a belly full of media attention?

对于某些在选举中暂时落于下风的人来说,有什么比吸引媒体关注更加有效 呢 ?

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To oversee and manage all area s of pre-production.

协助督导、理整个区域的 前期 生产.

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In 2001 the company's own taper thread with the pre-production-Forging Preparation work.

公司在2001自发研制锥度螺纹制作前的配经——锻压试制工作.

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What's a pre-production run?

什么是试产作业?

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