permanent的例句大全

A Twin Study of Dental Crowding on Permanent Dentition

恒牙列拥挤的双生子研究

Objective To study the effects of environmental and genetic factors on dental crowding, and to further study on the influencing factors on permanent dentition.

目的通过双生子研究遗传和环境因素对恒牙列拥挤形成所起的作用，以进一步研究恒牙列拥挤的影响因素。

The influence of α-Al2O3 micropowder additions on permanent linear change, apparent porosity, cold crushing strength and slag resistance of MgO-Al2O3 based castable is studied in this paper. By EDAX analysis, the mechanism of slag corrosion is investigated.

研究α-Al2O3微粉加入量对钢包渣线用镁铝质浇注料线变化率、显气孔率、耐压强度和抗渣性能的影响，借助EDAX分析，探讨了浇注料的渣蚀机理。

In order to improve the magnetic properties of Nd-Fe-B/ α-Fe nanocrystalline permanent magnets, the effect of heat treatment on magnetic properties of Nd_8Fe_ 77B_6Co_8Nb_1 nanocomposite magnetic material prepared by rapid quenching and crystallization heat treatment was studied.

为改善纳米复合永磁合金的磁性能，用熔体快淬和晶化热处理的方法制备了纳米复相Nd2Fe14B/α-Fe永磁体，研究了热处理工艺对Nd8Fe77B6Co8Nb1纳米晶复合磁体磁性能的影响。

With the increasing of years, soil organic nutrients and the three enzymatic activity are highest in permanent grassland and lowest in cultivated pasture.

随着草地利用时间的增长，土壤有机质等养分和三种酶活性含量增高，活性增强。

The basic way of bring the Yellow River cutoff under permanent control

根治黄河断流的基本途径

Research of Utilizing The Returned Material of The Fe-Cr-Co Permanent Magnet

Fe Cr Co永磁合金返料利用研究

If system breakdowns or failures would result in the permanent loss of records, a back-up system should be provided.

如果计算机的故障或失效会导致记录的永久丢失，则应当提供备份系统。

Simulating Analysis for Forcing of Lined Wall and Anchorage Bars of Permanent Shipping Lock at the Three Gorges Project

三峡永久船闸衬砌墙结构及结构锚杆受力仿真分析

Conclusion With respect to the protection of the anchorage of molar, it is more suitable for the palatal implant to connect with the first permanent molar than with the maxillary second bicuspid.

结论就保护磨牙支抗来说，种植体连接在上领第一性磨牙较之连接在上领第二双尖牙更加合适。

Objective: To study the tooth size correlation between permanent cuspid and bicuspid group and other teeth groups in malocclusion.

目的：研究错牙合、正常牙合的尖牙、双尖牙组与其它组牙的相关性，为尖牙、双尖牙组的预测提供科学依据。

With electromagnetic, electrothermal, and electrostatic micro actuators, this bistable structure can be applied to permanent magnet bistable MEMS relay.

此双稳态机构可与电磁驱动、电热驱动和静电驱动等类型的微驱动器联用构成永磁双稳态MEMS微继电器。

Secondly, we prove the certain populations of the system are bounded below and get sufficient conditions of permanent living of populations by applying comparison theorem.

其次利用比较定理证明了该系统确定的种群是有下界的，得到了种群永久生存的充分条件。

Study on stability and controlling of low-speed permanent magnet linear synchronous motor

低速永磁直线电动机的稳定性分析及其控制方法研究

State Variable Feedback Controlling Chaos in Permanent Magnet Synchronous Motor

非均匀气隙永磁同步电机混沌的状态反馈控制

Controlling chaos in permanent magnet synchronous motor based on the active Backstepping method

基于主动Backstepping方法的永磁同步电动机混沌运动的控制

Research on Conditioned Negative Feedback Controlling Chaos in Permanent Magnet Synchronous Motor

永磁同步电动机混沌系统条件负反馈控制研究

A Controlling Method of Permanent Magnet Synchronous Motor for Hybrid Electric Vehicle ( HEV) and Monitored Control System

混合动力客车电机控制方法及监控系统

If your application is approved, the visa office will issue a permanent resident visa to you.

如果申请得到批准, 签证处将向申请人核发永久居留签证.

You may say to yourself that they are impermanent, but you perceive them as permanent.

你或许对自己说它们“无常”, 但你以“常”认知它们.