The paper studies the main explaining parameters that influence manufacturing cost of parts and gets parameter - cost models 研究了影响固体发动机主要部件制造成本的主要说明性设计参量，建立了相应的参数成本模型。
Unless you can guarantee that a method will never throw an exception under any circumstances , allow for informative exception handling 除非可以确保方法在任何情况下都不会引发异常，否则应考虑使用说明性异常处理。
Jaas provides a flexible , declarative mechanism for authenticating users and verifying their ability to access secure resources Jaas提供了一种灵活的、说明性的机制，用于对用户进行认证并验证他们访问安全资源的能力。
Mathematics is a product of man . its laws were invented to help make sense of the universe , and are descriptive , not prescriptive 数学是人类的一个产品。它的规则被发明用于帮助人们了解宇宙，它是描述性的，而不是说明性的。
Mathematics is a product of man . its laws were invented to help make sense of the universe , and are descriptive , not prescriptive 数学是人类的产物。人类发现它的规则，用于帮助自己了解宇宙，因而它是描述性的，而不是说明性的。
You can enter a descriptive title , the author ' s name , the subject , and keywords that identify topics or other important information in the document 您可以输入说明性的标题、作者姓名、主题、关键词以及文档的其他重要信息。
Integration services includes a wide variety of tasks and containers , and each task and container has its own set of descriptive log entries Integration services包括各种任务和容器，每个任务和容器都具有其自己的一组说明性日志项。
Time stamping that is accurate to sub - microsecond performance ; great for chemical kinetics and other applications that require complex time accountability 精确到亚微秒性能的时间冲压对要求完全时间说明性的化学动力学和其他应用是非常好的。
The reader may be tempted to try a purely declarative xml - only decorator to tag projects with running hsqldb server , as shown in listing 18 读者可能会试图去用纯粹的说明性（纯xml ） decorator来标记具有正在运行的hsqldb服务器的项目上，如清单18所示。
These can grow monotonous and , since the explanatory cards are not much help and are translated only randomly , the audio - guide is a necessity 这些会变得单调，而且由于说明性的卡片对游客没有多大帮助，文字的翻译也过于随意，因此口述的导游就非常必要。
