不是必要的

Sebastian - If it's keeping you up, it is.

如果这是让你睡不着的原因，那么就有必要谈。

We do not separately skeletonize the renal ein and artery during LPN. We think that indiidual essel skeletonization is unnecessary, and might een be counter-productie for the following reasons:1it is not mandatory for achieing adequate clamping;2 it might result in renal artery asospasm;3 it increases the risks of iatrogenic ascular injury with serious sequelae;4 some hilar fat might cushion the renal essels, minimizing crush injury to the endothelium by the clamp, especially in cases of atherosclerotic renal arteries;5 it requires ≈ 30 min of precious operating time, detracting the surgeon from the primary goal of the procedure.

在LPN过程中不分离肾动静脉轮廓，因其并无必要，如分离可能由于以下原因达不到预期目的：1 不必充分夹紧；2可能导致肾动脉痉挛；3增加医源性血管损伤及其严重后遗症的风险；4肾门脂肪可能对于肾脏血管起到缓冲作用，减少钳夹对于上皮组织的挤压伤，特别是对于动脉粥样硬化的肾脏动脉病例；5 导致达到手术目的的时间中花费大约30分钟宝贵手术时间。

Dealing with rust spots, smirch is mainly detergent rust, but rust mostly acidic detergent, so it is not acid-resistant stone, such as marble, dolomite and quality, should be tested before use, if necessary, add water rare.

处理锈斑、污斑主要是除锈去污剂，但由于除锈去污剂多属于酸性，所以对不耐酸的石材如大理石、白云石质，使用前应进行试验，必要时加水稀。

For a big-and-medium-sized enterprise, if many softwares are deployed manually by IT adiministrator to dozens or hundreds of computers, there will exist probably such problems as very time-consuming, strenuosity, inconsistency of software function and inconvenience for unified management of software resources. Therefore, it is necessary to research and develop a software system that manages software resources in an enterprise in a unified way and automates software installtion and uninstallation, sofwate distribution and update.

对于大中型企业，如果要管理员手工把众多软件部署到几十台、上百台计算机上，主要存在的问题是非常耗时、软件功能的不一致性和不便于软件资源的统一管理，所以有必要研制出一个软件系统对企业软件资源进行统一管理，使软件分发、安装、更新和卸载的过程做到完全自动化，提高管理效率。

But care is necessary, to ensure that the international standards are not undermined by country changes.

但有必要注意的是，应确保国际准则不因为国家改变而变得面目全非。

For those who go on strike with no reason, the institutions shall, besides giving them serious criticism, point out its unfriendliness, and deduct their salaries if necessary, or even terminate the contract.

对无故罢教罢工，除严肃批评外，应指出这是不友好的行为，必要时可扣发工资，甚至解聘。 11 、在外国专家工作中怎样执行我国宗教政策？

One is to define a criterion in view of legislation, balancing and administrative procedure to distinguish between the reasonableness and unreasonableness.

这些标准是：立法目的标准、衡量性标准、行政过程符合理性标准。另一方面建立对不合理行政行为的监督体系也十分必要。

But I had no need to be venturous; for I had no want of food, and of that which was very good too; especially these three sorts, viz.

我没有必要冒险，因为不缺食物，更何况我的食物十分可口，尤其是山羊肉、鸽子和鳖这三种

But I had no need to be venturous; for I had no want of food, and of that which was very good too; especially these three sorts, viz.goats, pigeon s, and turtle or tortoise

我没有必要冒险，因为不缺食物，更何况我的食物十分可口，尤其是山羊肉、鸽子和鳖这三种

But I had no need to be venturous; for I had no want of food, and of that which was very good too; especially these three sorts, viz.goats, pigeons , and turtle or tortoise

我没有必要冒险，因为不缺食物，更何况我的食物十分可口，尤其是山羊肉、鸽子和鳖这三种

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。