Higher-energy radiation is used for intentional selective destruction of tissue, such as cancerous tumors . 更高能量的辐射用来对诸如恶性肿瘤那样的组织进行有意选择的破坏。
The demand-and-supply-curve framework is the main geometric tool that will be used in analyzing trade policy options . 供求曲线的结构是用于分析贸易政策选择的主要几何图形工具。
It was galling that the issue chosen by our critics was a subject in which we had every reason to take pride . 令人伤脑筋的是，我们的批评者所选择的这个问题正是我们有种种理由可以自豪的事情。
Initiation is chosen so that during the blasting and collapse procedure, the bridge is subjected to as much stress as possible . 选择的起爆方法应使桥梁在爆破及坍塌的过程中，受到尽可能大的应力。
They acted as if the problem would go away if they offered no alternative or even a systematic critique . 他们的做法就好象只要他们不提出可供选择的办法，甚至只要他们不提出系统的批评，问题就化为乌有。
Planning is the most basic of all managerial function since it involves selecting from among alternative future courses of action . 由于规划涉及从未来一系列可供选择的行动中作出选择，它是最基本的管理功能。
However, few firms have this opportunity of locating in a vacuum, but must take account of the sites selected by their competitors and suppliers . 然而，很少企业有在真空状态下选址的机会，它们不能不考虑其竞争者与供应者所选择的位置。
A manager today typically spends a lifetime in his chosen field, moving from one city to another as opportunities for advancement develop . 在今天，一个典型的市政经理，一辈子都干他所选择的行业，只要有升迁机会，就从一个城市转到另外一个城市。
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