不是必要的

Auxiliary circuits within the controller which are essential for proper operation of the controller shall not have overcurrent protective devices.

帮助者 对控制器的适当操作是必要的控制器里面的线路将不有过流给予保护的装置。

Besides the tacitness, the characteristics also composes of distribution, transferability and appropriabilitry. Based on these foundation, the dissertation explain the existence of the firm as institution for the organization of production, explore the nature of coordination within the firm, analyze organizational structure, focusing upon the implications of the knowledge-based view for hierarchy and location of decision-making authority and determine the boundaries of the firm. In making the comparison, a key distinction is made between the theory of knowledge -based of firm and the theory of transaction cost , which is the main stream theory at present. For one thing, The theory of TC does not take tacit knowledge into consideration, to some degree, but focuses much on the risk of opportunism.

据此，本文对企业理论所关注的企业的存在、企业的协调、企业的组织结构、企业的边界、企业的异质性等问题逐一进行了回答，比如，在企业知识理论看来，企业是一种将个人知识一体化的制度；企业的协调不仅是组织成员目标不一致而产生的需要，而且考虑到默会知识的存在，即使组织成员目标一致，协调仍是必要的；企业之所以具有异质性，其根本原因在于默会知识的难以模仿以及企业在生产过程中形成和积聚的知识的差异性，从而导致各个企业最终所积聚的知识和能力具有差异性。

But since you're not using it as speaker grill cloth to place in front of a tweeter, that feature too is not necessary.

但是， 由于您使用的不是它的扬声器格栅布放在前面的高音喇叭，就说明那个功能也没有必要。

There are exceptions to this privacy policy on condition that QFISSC publicizes register information or other unpublicized data by legal means or QFISSC believes that it is necessarily to publicize information under the following conditions based on credit:To observe relative laws and regulations, or to obey legal service procedures of QFISSC.

所以，作为对注册资料分析的补充，青岛市外商投资企业服务系统一定不会在未经合法会员授权时公开、编辑或透露其注册资料及保存在青岛市外商投资企业服务系统中的非公开内容，除非有法律许可要求或青岛市外商投资企业服务系统在诚信的基础上认为透露这些信件在以下四种情况是必要的：遵守有关法律规定，遵从青岛市外商投资企业服务系统合法服务程序。

Therefore, as a supplement of analyzing register information, QFISSC shall not unauthorizedly publicize, edit or reveal any register information or other unpublicized data preserved on QFISSC until get authorization from Member. There are exceptions to this privacy policy on condition that QFISSC publicizes register information or other unpublicized data by legal means or QFISSC believes that it is necessarily to publicize information under the following conditions based on credit

所以，作为对注册资料分析的补充，青岛市外商投资企业服务系统一定不会在未经合法会员授权时公开、编辑或透露其注册资料及保存在青岛市外商投资企业服务系统中的非公开内容，除非有法律许可要求或青岛市外商投资企业服务系统在诚信的基础上认为透露这些信件在以下四种情况是必要的

Management was convinced that unrestricted immigration was necessary to the growth of American industry.

企业的管理者确信对移民不加限制对美国工业的发展是必要的。

It is rare for allergy to be the cause of chronic urticaria so routine allergy tests are not usually necessary.

这是罕见的过敏，会导致慢性荨麻疹，使例行的过敏测试，通常不会必要的。

New York University Economist (不必要的大写…… economist) William Easternly (姓氏的错误…… Easterly) says this is one example of development gone wrong.

纽约大学的经济学家威廉埃斯特里表示，这是发展被带入歧途的一个例证。

If only enough rope is available for a belay from one bank, A crosses as above. C ties into the main belay rope and also ties on alight retrieving cord held by Band is belayed by A. This retrieving line is necessary since it would probably be impossible to throw the rope back to B after C crosses.

如果绳子的长度只够从一边作确保，A仍像上述过溪，C要套入胸部绳圈中由A作确保工作，同时要有另外一条回收绳连接到B手上作主绳的回收工作，这条回收绳是必要的因为C过溪之后几乎不可能将主绳抛回去给B。

The five cultural circles contacts with each other,collides each other,permeates each other,intersects each other,and even extrudes each other or ovetlaps,and finally formed an interactive relationship .

分别研究东、西方文化的特质和异同固然是必要的，但就整个世界文化来说，都使人产生一种割裂的错觉，看不清世界文化的源流与脉络，忽略了其间许多相关联、影响、渗透与

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。