This is necessary because full-time students probably have to read several hundred pages every week.
这是有必要的，因为全日制学生每周可能要读几百页材料。
This is necessary because the conveyors are usually designed with narrow steel chains.
这是必要的，因为通常设计的窄带钢链输送机。
This is necessary because, unlike project files, solution files are not backwards compatible.
这一步是必不可少的，因为与项目文件不同，解决方案文件并不是向后兼容的。
All this is necessary because, despite its name, "spent" nuclear fuel still has something of a kick.
所有这一切都是必须要做的，因为虽然就名义上而言是用过的“乏燃料”，但它们仍具有一定的危险性。
This is necessary because the loads are usually applied normal to the calibration fixture surface.
之所以有此需要，是因为所加载荷通常是垂直于校准装置平面的。
This is necessary because you need to define many methods to manage all the necessary table view actions.
这是必要的，因为您需要定义许多方法来管理所有必要的表视图操作。
This is necessary because if a user navigates across multiple pages of the view, the BinderID will become lost.
这是必需的，因为如果用户在视图的多个页面之间导航，BinderID将会丢失。
This is necessary because in UTF-8, it is often possible to represent the same character with multiple encodings.
这是必要的，因为在utf - 8中，常常可能用多个编码来代表同一个字符。
This is necessary because ease of use is an important requirement for the ultimate users of the devices in the store.
这是必需的，因为易用性是商店中的设备的最终用户的一项重要需求。
This is necessary because people are likely to have more confidence in a company if they know something about it.
这一点之所以必要是因为如果人们对一家公司有所了解，就可能对他更有信心。
This is necessary because yeast cannot utilize the starch in the cereal grains for conversion to ethanol and CO2.
发芽阶段是必须的，因为酵母不可能直接作用于谷物中的淀粉产生乙醇和二氧化碳。
This is necessary because the server must crawl portlet pages as well as modify portions of pages during offline processing.
这是必须的，因为服务器在脱机处理期间必须搜寻portlet页面并修改页面的部分。
This is necessary because the user may have added items to the Cart and then refreshed the page or navigated away and then back again.
这是必需的，因为用户可能已经向Cart中添加了商品，然后刷新了页面或者导航到其他地方之后又返回来。
This is necessary because some of the industries are capital asset intensive with substantial depreciation, such as capital goods manufacturers.
这些工具是必要的：资本密集型(capital - intensive)行业，例如资本性产品生产商，经常会遇到大额折旧问题。
This is necessary because the sample project has been configured to distinguish between the incoming BUY and SELL events based upon the prefix of the file.
很有必要这样做，因为示例项目配置为根据文件的前缀区分传入BUY和SELL事件。
This is necessary because we currently don't provide the capability to define relationships between monitor set keys or even between different monitor sets.
这是必不可少的，因为我们当前未提供定义监测集键之间或者甚至不同监测集之间的关系的功能。
This is necessary because if a woman contracts rubella during pregnancy, her child may be born with congenital defects such as blindness, deafness or heart disease.
因为若妇女在怀孕期间染上德国麻疹病毒，她们的婴儿可能会有先天性缺陷，例如眼盲、耳聋或心脏病等。
This is necessary because unlike a real jigsaw or a machine-shredded document, in which the pieces fit perfectly, the shreds of a torn document are slightly distorted and frayed at the edges.
这个过程是必须的，因为这不是真的拼版和用碎纸机粉碎的文档那样碎片可以完美的拼合，撕碎的文档碎片的边缘会有轻微的变形和磨损。
This is necessary because the power system component can never be designed to withstand the worst possible conditions due to the fact that this will make the whole system highly uneconomical.
这是必要的，因为电力系统组件的设计不能承受最坏的原因在于，这将使整个系统非常不经济的可能条件。
Because of this, a measure of manual intervention, helped by tool automation, is necessary.
由于这一点，手动干预的评价，由工具自动化支持，就是必要的了。
You could wait until teenage years to do something like this - but it's a good thing because this shows them why basic math is necessary.
你可以等到孩子十几岁再教他们这些知识，这是一个很好的机会来展示为什么他们需要了解数学基础知识。
That is necessary because the balloon concentrates sunlight up to 400 times, and without this cooling the cell would quickly burn out.
水冷式设计之所以必要，是因为这种气球可以集中400倍的阳光，太阳能面板若没有冷却设计，会很快地晒到烧掉。
This region of the brain becomes functionally disconnected because visual input is necessary early in life to wire up visual brain circuitry properly.
大脑的这个区域在功能上不能连接，因为在生命早期，视觉输入在正确地建立大脑视觉网络的过程中是至关重要的。
I don't appreciate that because this is an important part of my belief that it is necessary to protect ourselves.
我不欣赏这种作法，因为我相信，必须保护我们自己。
Many experienced programmers adopt this posture because of legitimate intent to minimize any effort that is not really necessary.
许多经验丰富的程序员之所以认可这种观点，是因为对一些不必要工作“偷工减料”，乃人之常情，是合情合理的。
This variable is necessary because the weather.bylocation data table is a so-called community table, maintained by the community and not by Yahoo!
此变量是必要的，因为weather.bylocation数据表是所谓的社区表，由社区进行维护而不是 Yahoo!
This last step is necessary because CruiseControl will refuse to start up if the file you specified in the config.xml file's element does not already exist.
最后这一步是必需的，因为如果config.xml文件的元素中指定的文件不存在，CruiseControl会拒绝启动。
A reset is necessary because, with this method, parsing begins at the ParsePosition index within the input string.
重置很必要，因为使用此方法时解析开始于输入字符串的ParsePosition索引。
This step is not really necessary because ArcExplorer does not access DB2 for z/OS natively.
这一步实际上不是必需的，因为ArcExplorer 不在本地访问DB2for z/OS。
This step is necessary because the newly created linked resource will not show up in the list until the Preferences page is restarted.
这个步骤是必须的，因为最新创建的链接参考资料将不会在这个列表中显示出来，直到Preferences页面被重新启动。
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