查询词典 not essential

When O and radiogenic isotopic measurements are employed as tracers to evaluate magma-country rock interaction it is essential to provide evidence that open system processes have not perturbed the isotopic systematics.

用氧同位素和放射性同位素示踪岩浆和围岩相互作用时，必须在开放体系没有扰动同位素系统情况下进行。

In this situation, the books will gradually become the access to and the main way to increase my knowledge, and the library would naturally occupy in people's lives in a certain location, how to scientifically manage the library is not only related to the convenience of the reader to seek knowledge level is also related to library development, therefore, develop a comprehensive library management system will become essential, and this paper describes the environment in the Visual Basic6.0 adoption of the "top-down master plan, bottom-up application of development "strategy of development of the detailed process of this system is proposed to achieve the library information management, the basic objective of sharing resources, thus promoting the pace towards the digital library and described the system architecture design and functional design, from the warehouse of books Registration to the query view, from the library card issued to the lending of books, forming an overall automated management model, from the perspective of software engineering, scientific and rigorous exposition.

在这种形势下，书籍就渐渐地成为人们获取并增长知识的主要途径，而图书馆就自然而然地在人们的生活中占据了一定的位置，如何科学地管理图书馆不但关系到读者求知的方便程度，也关系到图书馆的发展，因此，开发一套完善的图书馆管理系统就成不可少了，本文介绍了在Visual Basic6.0环境下采用"自上而下地总体规划，自下而上地应用开发"的策略开发本系统的详细过程，提出实现图书馆信息管理、资源共享的基本目标，从而推动迈向数字化图书馆的步伐，并阐述系统结构设计和功能设计，从图书的入库登记到查询浏览，从借书证发放到图书的借阅，形成了一个整体自动化管理模式，从软件工程的角度进行了科学而严谨的阐述。

I did not, for an instant, lose sight of , or undervalue, that part of the truth which I had seen before; I never turned recreant to intellectual culture, or ceased to consider the power and practice of analysis as an essential condition both of individual and of social improvement.

我没有，一会儿，忽视，或低估，这是我以前见过的事实的一部分，我从来没有把怯懦的知识产权文化，或不再视为一个必要条件两方面的权力和实践分析个人和社会进步。

This is an essential system process and should not be removed.

这是一个系统进程，不要进行删除。

The water storage function of condenser is the must not only for gathering and storing condensed water, various water repellence of thermal system, exhaust steam and chemical feedwater, but also for cushioning dramatically changing turboset flow during the operation, improving the stability of system regulation and ensuring the essential water-absorption pressure head of condensation pump.

凝汽器的蓄水作用既是汇集和贮存凝结水、热力系统中的各种疏水、排汽和化学补给水的需要，也是缓冲运行中机组流量急剧变化、提高系统调节稳定性的需要，并且是确保凝结水泵必要的吸水压头的需要。

Rosenberg responded that race is not an essential part of marriage but that gender is.

Rosenberg回应：种族并不影响婚姻关系的成立，但性别却是维系婚姻最重要的

That is essential if a sterling retreat is not to become a rout.

如此高的估值不太可能持续下去，而事实也是如此。

Not only does the work reveal evolution essential of the saturation line but also point out a new way to analyze the monitoring data.

这项工作不仅揭示了浸润线的演化本质，还为监测数据的理论分析指出了一条新的途径。

The essential can not be sawn with eyes.

不能单凭眼睛看清事物的本质。

And it's essential the donor countries scale up support and not cut it back.

并且重要的是，捐助国加大了支持，而非削减支持。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。