查询词典 precise

His group is leading in China the field of new generation calibration method for optical satellite remote sensing, detector-based standard transfer and application of parametric down-conversion in precise radiometry. Currently, he is supervising 4 master students and 6 doctoral students.

他领导的研究团队在新一代光学遥感定标方法、基于探测器的光辐射标准传递、参量下转换效应应用于光学精确测量等领域的工作处于国内前列。

Becomes after the precise cnc numerical control lathe processing manufacture, the surface is after the special anodizing, durable, wear-resisting, rainproof waterproofing, quakeproof and so on functions.

经精密的 cnc 数控车床加工制作而成，表面是经特殊的阳极氧化处理，耐用，耐磨，防雨防水，防震等功能。

This paper puts forward the derivation of precise calculating formula used to determine the magnification ratio of voltage, input resistance and output resistance in amplifying circuits based on the feedback circuit model with parallel voltage.

在建立电流并联反馈电路模型的基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。

precise calculating formula is derivated to determine magnification ratio of voltage,input resistance and output resistance in amplifying circuits based on th feedback circuit model with cascade voltage.with th new calculating methods put forward by the author,it is possible to solve the problems in terms of calculation in amplifying circuits,the key problem being low level of exactness.the research shows the influence of components′ parameters of basic amplifying circuits and feedback circuits on feedback amplifying circuits.the results of the research may contribute to design amplifying circuits and electronic instrument with higher performance,due to the simpler calculation in the design of feedback circuit with cascade voltage.

摘 要：在建立电压串联反馈电路模型基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。提出新的计算方法，从而解决了放大电路计算不方便，精确度不高、准确性不够的问题。同时进一步揭示了基本放大电路、反馈电路元件参数对反馈放大电路的影响关系。为设计出高性能放大电路及电子设备指明了方向，更加方便于电压串联反馈电路的计算。

2The research reveals that successful problem-solving is not only rely on the precise concept internal representation, but also rely on the integrated bundle structure of concept internal representation. The construction process of the integrated bundle cognitive structure, includes the re-establishment and re-formation, retrieval clues, re-adjustment and re-composition of integrating multiple forms of concept internal representation.

概念内部表征的应用过程同时也是内部表征的重构过程，其中包括重构概念多重内部表征形式的捆绑认知结构、概念内部表征的串联和检索线索以及概念内部表征的再调整与再修改等认知过程。

I can be reasonably precise about the time of the incident.

我可以相当准确地说出这件事发生的时间。

The rhetorical narrative theory combines the precise survey of narrative-mode and the focus on the narrative receiving-context, especially on the reading ethic and ideology, the aesthetic studying of internal text and the social history environment, which is out of the text. It notices reciprocal and communal function of writer, text and reader in the movable course of narrating.

修辞性叙事理论将严谨的叙事形式考察与对叙事接受语境，特别是阅读伦理、意识形态的关注结合起来，将文本内部的形式审美研究与文本外的社会历史环境结合起来，注重作者、文本和读者在叙事的动态进程中的互动和协同作用。

Thirdly,incorporated into A-stability theory of recursion schemes,the A-stability ofthe precise integration schemes with high(＞2)order precision is proved, not only implicitintegral schemes,but also explicit integral schemes.

通过讨论递推格式的A稳定性，证明了精细积分格式不仅具有A稳定的隐式积分格式，而且具有A稳定的显式积分格式，且其阶数都存在超过2的形式。

INS is one of the most important precise apparatus in missiles and rockets, which is sensitive to random vibration in boost and reentry phase.

惯导系统是导弹与火箭最重要的精密仪器，导弹飞行过程中的各种随机载荷会显著影响惯导系统的工作精度。

Shaft design and the design is the focus of this design, the design of the mechanical design reference manual for the precise design, and check the strength.

轴的设计和齿轮的设计是本次设计的重点，设计中参照了机械设计手册进行了精确的设计，并进行了强度校核。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。