在我们学校，从学校自助餐厅偷取餐具几乎成了一个大学生的必要条件，甚至还有人都已经收集了一套完整的瓷器。
As an undergraduate, at my school it was practically a requirement to steal silverware from the campus cafeteria. There were students who'd commandeered full sets of china.
科学家们在2010年1月采取步骤进一步接近这个目标，他们宣布他们已经建成了一个悬浮磁铁，创造了被认为是实现核聚变的一些必要条件。
Scientists took a step closer to this goal in January 2010 when they announced they'd built a levitating magnet that created some of the conditions thought to be necessary for fusion.
即，“购买购物车中的商品”用例必须要使用“注册用户”，但“注册用户”只是在“浏览商品目录”之前--它并不是一个必要条件。
That is, "registering a customer" is required by the "buying items in shopping cart" use case, but it simply precedes the "browsing the catalog" use case -- it's not a requirement.
在任何一个国家无所寄托的年轻男性必然带来麻烦。在亚洲国家，婚姻和子女是得到社会认可的必要条件，单身男性几乎像不法分子。
In any country rootless young males spell trouble; in Asian societies, where marriage and children are the recognised routes into society, single men are almost like outlaws.
作为一个ABS系统必须遵守大量的非常复杂的必要条件：在轮胎与地面间最大限度的利用滑移系数。
Such an ABS system must comply with a number of extremely complex requirements: maximum utilization of the coefficient of slip between tires and road.
在该论文中，他谈到对于一个健康的XP团队来说，持续学习(Continuous Learning)是如何成为必要条件的。
In it he talks about how continuous learning is a requirement for a healthy XP team.
在示例中使用的一样，我在一个应用程序使用，因为它是一个必要条件。
Used in the sample is the same one that I used in an app because it was a requirement.
例如，一个过程总是与过程的信息一起，在必要条件的下边然后是实际的过程流程。
For example, the documentation of a "process" always begins with information on the purpose of the process, followed by any prerequisites and then the actual process flow.
而是在达到实际目标的过程中提供了一个必要条件，即信任。
Rather, it supports a necessary condition—trustworthiness—on the way to a real goal .
还给出了在结构重分析中简单迭代法收敛的一个必要条件。
A necessary condition for simple iteration convergence in structural reanalysis is proposed.
本文给出用三次样条在两两节点之间引进一个外加节点的条件下，存在凸而单调的插值的充分必要条件。
A necessary and sufficient condition is derived for the existence of monotone and convex interpolation by a cubic spline with an additional knot inserted between each pair of data points.
文中给出并证明了在椭球约束条件下线性模型中，误差方差的非负二次估计的可容许性问题的一个必要条件。
The paper raises and proves an essential condition of volumetric property of nonnegative secondary estimation of deviation and variance in linear model.
同时给出了人群中出现无限集（指大量人群集中在一组或几组中）的一个必要条件，无限集的出现可能对应于股市崩溃的情形。
We derive the size distribution of these interacting agents and give a necessary condition for the occurrence of infinite size cluster which might correspond to the large crashes in stock market.
在每一情形中，我们都有一种义务要履行。因此，成为一个有责任心的人是我们人生的一种必要条件。
We have a duty to perform in each of those contexts and to be responsible is a necessary condition of our existence.
本文引入并研究了叶层结构的定向性，作为应用，讨论了李群在流形上的自由作用，给出了存在李群自由作用的一个必要条件。
In this paper, the orientability of foliations was investigated, and an application to the free action of Lie groups on manifolds was given as well.
一个足以承受长期波浪及风力的基础设施是让风力发电设施在使用年限内正常运转的必要条件。
A foundation with sufficient stiffness to resist long-term wind and wave load to insure the serviceability of wind energy converter is needed.
要引进一个序列你首先必须选择日场，这是使相机能产生你想输出的效果的必要条件。去它自己的目标中，在水平荷载中选择播放。
To export a sequence you have to first select the matinee which the camera is within which you wish to export, go to it's own object properties, and select play on level load.
要引进一个序列你首先必须选择日场，这是使相机能产生你想输出的效果的必要条件。去它自己的目标中，在水平荷载中选择播放。
To export a sequence you have to first select the matinee which the camera is within which you wish to export, go to it's own object properties, and select play on level load.
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