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Due to the pneumatic microvalves and micropumps with compound microchip device, the difficulty of chip processed and cost of stuff was reduced, and its rigidity intension was greatly enhanced at the same time. Besides, the credibility of connection between microchip and external connected channels was increased.

研究结果表明，采用AZ4620玻璃阳模制备的微阀微泵芯片操作稳定性高；采用复合芯片结构的微阀微泵芯片，既降低了芯片加工难度和成本，其整体刚性强度又得到大大提高，并增强了芯片与外气路和外流路连接的可靠性。

The organisms will be more evenly distributed 4A student observing a specimen using the low-power objective of a compound light microscope has difficulty viewing the image because the field of view is too dark.

生物将会更平均被分配 4一件学生观察一件使用复式轻的显微镜的低力量目的的样品有看图像的困难因为视野的领域太黑暗。

The paper aims at the difficulty of preference representation, according to the concept of preference number and structure and compound rule, builds the model for aggregating group preference, and denotes preference structure with model of neural network, then gives out a methodology that preference is denoted by interval number, builds the model based on neural network and group preference, so preference representation is nonlinear, self-adapting, relearning.

针对决策偏好表示和集结的难点，在给出偏好由数量描述和结构描述的概念基础上，根据群体决策复合准则，建立了群体决策偏好集结的模型，并将神经网络模型用于表示决策者的偏好结构。提出用区间数表示决策者偏好的方法，建立群体偏好表示的神经网络模型，使得偏好的表示具有非线性，自适应及可学习的特点。

And almost all of us have some sort of difficulty in the concentration of our attention.

几乎所有的人都有一种难以集中注意力。

A large number of experiments are made, which show that although BM-MSCs succeed in advancing the concrescence of wound area, they have difficulty in differentiating into epidermal cells.

我们进行了大量的试验，但总的结果显示骨髓间充质干细胞尽管能促进创面的愈合，但分化为表皮细胞的确有难度。

In order to recognize the tragic fate of women in that time, the topics in this chapter would include approaching how patriarchal power deprive women's rights for survival, education, employment and marriage; how patriarchal power dominate female's self-conscious by tying the bride price and igniting family violence in marriage life; and how women sacrifice and contribute in childbearing, concubinary difficulty and body selling.

探讨父权如何剥夺女性的生存权、教育权、工作权和择偶权，在婚姻生活中，父权如何藉由聘金约束、家庭暴力来宰制女性的自我意识；女性如何在生殖包袱、继室难为和出卖身体方面做出牺牲和奉献，了解女性在父权体制下的悲剧命运。

Concurrent Engineering absorbs computer technique , database technique , network technique under the support of CAD, CAM, CAPP and CAE, considers conception form , scheme analyses , detail design, production, after service , production rejects all factors, resolves effetely lots of defects such as difficulty of data exchange , design changing frequently , cost high, long cycle for design and so on.

摘要并行工程是在CAD，CAM，CAPP和CAE等技术支持下，吸收了当前迅速发展的计算机技术、数据库技术、网络技术，在设计时综合考虑产品开发中的概念形成、方案分析、详细设计、生产制造、售后服务、产品报废等所有因素，有效解决了系统之间数据交换难，设计更改频繁，成本高，设计周期长等缺点。 DFM是并行工程的关键技术之一，在设计一开始就把制造系统的因素添加到设计过程中去，并从制造可行性的角度对设计进行分析评价，使设计满足制造要求，降低加工时间和生产成本。

The work of restart up will become very difficulty, and even the line is blocked as the temperature drop to condensation point.

当存油温度降到一定程度时，管道再启动工作就会变得十分困难，甚至发生凝管事故。

If you have difficulty unrolling the condom, you might have put it on the wrong way.

如果你不能向下卷开避孕套的话，你佩戴的方式很可能是不正确的。

Mr. Xu of referral center of psychology of school of cent of prosperous of great connecting with the boxing skill also expresses Hua Ke, with classmate teacher confabulate sometimes more effectively help undergraduate solves psychological problem, had the difficulty that is hard to handle quite when the student especially when, the guidance with teacher correct major more it is important to show.

华科大武昌分校心理咨询中心的徐老师也表示，和同学老师谈心有时更能有效地帮助大学生解决心理问题，非凡是当学生有了比较难于处理的困难时，老师专业正确的指导更显重要。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。