对...必要的

The thesis beholds that the establishment of the basic norm is indispensable in building up, confirming Kelson s theoretical system as well as defending the knowledge system of jurisprudence and it is also absolutely necessary either to ensure the effectiveness of the practical legal system or to guarantee its reasonableness and acceptableness of the practical legal systems.

本文认为，基础规范的设定对凯尔森理论体系的成立、确立，对法理学知识体系的维护是不可或缺的，对既保证实在法律秩序的有效性又保障其合理性、可接受性也是必要的；同时，基础规范的理论还为我们讨论确立法学、政治学领域的真理观或正义论提供了新的视角。

In light of this, the paper discusses the influence of accrual of provisions on accounting information from the perspective of selectivity of system.

彻底弄清会计制度的可选择性，对会计信息的影响，对杜绝整个社会会计信息失真问题，是非常必要的。

The gallbladder agenesis was classified into 2 types: symptomatic type and asymptomatic type.

术前确诊胆囊缺如非常困难，对这一先天畸形的认识有助于医生对可疑病例的鉴别，从而避免不必要的手术。

In connection with the estuary regulation of Yellow River, the effects from the channel-change of Qingshuigou Course and the branch-change of Qingba Anabranch for Yellow River on the extension of sedimentation are analyzed based on the prototype data and the model test result concerned, in which the effects from the dredging at the estuary on the water level of the tail course and the change from the river bed desiltation ate discussed.

黄河口治理具有长期性和复杂性，探求不同治理措施条件下尾闾河段冲淤规律是十分必要的。根据原型资料和模型试验结果，分析了清水沟改道和清8改汊对河口淤积延伸的影响，探讨了河口段挖河疏浚对尾闾河段水位、河床冲淤变化的影响。

Depending on mathematical methods to model, analyze, control, and optimize Chemostat system, which have very important significance in the designing and the application of Chemostat.

借助于数学方法对Chemostat系统进行建模、分析、控制和优化，这对改进Chemostat的设计及其应用都有着十分必要的意义。

The fluoride in the mealie leaves mainly came from the emission of the aluminum factory,and the pollution level of fluoride in mealie fruits was middle-polluted in the controlling plot,but were heavy-polluted in the rest plots.

因此，研究电解铝厂周边氟化物污染十分必要，但目前研究主要集中在大气氟化物对农作物的影响，大气氟化物对土壤和农作物的影响评价很少报道。鉴于此，本文

As for the state files,everybody has the lawful right to use them when the file management right of the state is guaranteed.The ownership of private files must be safeguarded by laws when they are supervised by the state;the ownership of personnel files belongs to the state.The ownership of medical files belongs to medical institutions but patients privacies and the right to know their health condition should be ens...

对国家档案而言，在保障国家档案管理权的同时应当肯定公民也有对档案的合法利用权；对私人档案，法律应保护其所有权，但国家要进行必要的监控；人事档案的所有权属于国家，并注意与职工知情权的平衡；医疗档案的所有权应归医疗机构，但不能侵害患者知情权与隐私权。

Researching on the actuality of reverse engineering and the usage of it, in the authors opinion, it is required to process original data satisfying the requirements of CAD/CAM software; and it is worth to emphasize the research work on curve and surface construction methods, to develop relative data-process software.

通过对逆向工程当前研究现状及实际应用情况的分析研究，指出逆向工程当前需要解决的关键问题是对原始测量数据进行必要的处理，使其适应CAD/CAM软件造型的数据要求；同时对曲线、曲面构形方法也需加强研究，并开发相应的数据处理软件。

Charles Peirce, a 19th-century pioneer of semiotics, shared Leibniz's passion for symbols and notation, and his belief that these are essential to a well-running logic and mathematics.

皮尔士，与莱布尼茨一样对符号与记号热情，他也认为这些对逻辑和数学的顺利发展是必要的。

It is precisely because of orders to the importance of the survival of business, it is necessary to the processing of orders, in this paper, Our major research online orders.

正是由于订单对企业生存的重要性，所以有必要对订单的处理进行分析，在这篇论文中，我们主要研究网上订单。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。