必要性

Objective To study the necessity of the screening and confirmation of Treponema pallidum infection by three serologic tests.

目的 探讨3种梅毒螺旋体血清学试验用于梅毒螺旋体感染的初筛和确认的必要性。

Based on the trialism of science, technology and engineering, the category and the thinking way of system engineering is introspected. The necessity and feasibility of establishing results-oriented system engineering, which belongs to the engineering category, is proposed.

基于科学、技术、工程"三元论"的理论，对系统工程的基本定位及思维方式进行了反思，提出了创建逆向系统工程(results-oriented system engineering， ROSE)的必要性和可行性。

This article will place the emphases on the necessity and feasibility of the construction of the two-ply system to protect property right and analyze how to harmonize of rules from tax law and private law.

着重研究私人财产权双重制度保障的必要性与可行性，并以此为基础，分析如何实现两者的相互协调，避免规则的冲突。

These results provide proof from different perspectives that it is proper and necessary for the analysis of accidents to consider the two-wheeler, the cyclist and the road as a whole.

由此从不同角度论证了在事故研究中将两轮车、骑车人和路面作为一个整体进行分析的正确性和必要性。

I remain unconvinced of the need for change.

我仍怀疑改革的必要性。

The necessity for such government arises from the failure or inability of the legitimate government to exercise its functions on account of the military occupation, or the undesirability of allowing it to do so.

对於此种政府的必要性，是由於军事占领导而致原来当地合法政府已溃散或不能执行自己的职权，或状况不允许时占领军不欲其执行职权。

It would frighten him to think that the great adventure of research could be so soon finished, and an unexciting if infallible picture of the universe established for all time.

为了解释不同的现象而引人许多种不同形式的力，这种必要性从哲学的观点来看自然是很不圆满的。

Calvin shared Luther's doctrine of necessity to the full; but he embroiled the language by admitting in unfallen Adam a liberty of choice.

卡尔文共享路德的必要性原则，以充分，但他卷入了语言所承认unfallen亚当一自由选择的原则。

First, the power and responsibility are unidentified.

论文第二章高职院校实施二级管理的必要性和可行性。

And in the last part I will try" to construct the Other" or" to measure the difference" in pointing out differences and similarities of Chinese historiography in comparison with the rise of social history in the 1970s and 1980s in Germany. Altogether I want to demonstrate the necessity to rethink the dominant, unilinear model of development and modernization that is based on a uniform, global ideological system.

第三部分，通过比较德国与中国社会史兴起过程中的异同来"构建他者"和"衡量差异"，从而指出占统治地位的线性发展和现代化模型是以统一的全球意识形态体系为基础的，并强调对其重新思考的必要性。

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。