查询词典 variation principle

According to this principle, the variation $ΔO$ of target $O$ of economic system S is divided into two parts.

提出建立经济系统监测指标体系的5项原则和三峡地区农业经济监测指标体系。

The paper introduces the development of the thickness control technology for strip mill, and reasons affecting thickness variation, and discusses the principle of AGC Control on cold mill, the algorithm and characters.

摘要介绍板带轧机厚度控制的发展及影响板带厚度波动的原因；分析、讨论冷轧机应用的各种 AGC 的控制原理、控制算法以及各自的特点。

A variation of this principle was tried with a Ju 88H-4, which was stretched to 20.38m, for long-range reconnaissance flights.

一个变异这一原则的企图，以菊88h-4是紧绷20.38m，进行远程侦察飞行。

On the basis of analyzing the law of variation of the zero order current , the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.

在对中性点不接地系统单相接地故障情况下零序电流、零序电压以及零序功率的变化规律做了认真分析的基础上，提出了采用3个判据同时判断的故障选线三合一综合判据原理，这个综合判据可以大大提高接地选线的准确率，具有一定的推广利用价值。

On the basis of analyzing the law of variation of the zero order current, the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.

1中性点不接地系统零序电流的分析中性点不接地系统在发生故障时零序电流的变化最明显，因而对故障情形下零序电流的大小、相位及其功率等关系进行分析很有必要。1.1零序电流的大小关系对于NUS，其线路图见图1。图中kl和k：断开。

Focal error signal of pickup head is achieved according to the Astigmatical principle, and that the optical non-contact probe system with the measurement ranges of 2um and the measurement uncertainty of 1.1nm is obtained. This probe system is immune to the variation of reflective ratios and curvature on the surfaces of samples via improvement of the signal process method.

其中根据光学象散原理得到激光读取头的聚焦误差信号，从而获得测量范围为2μm，测量不确定度可达1.1nm的光学非接触探头系统，通过改进信号处理方式，此探头系统可不受材料表面反射率变化的影响，并允许样品表面存在一定的曲率变化。

Isotherms of benzothiophene on the activated carbon were separately measured at different temperature, and then the variation of the adsorption of benzothiophene on the activated carbon was discussed with the help of the hard and soft acid and base principle.

结果表明，活性炭表面负载Ag^＋、Ni^2＋、Cu^2＋或Zn^2＋离子，可提高活性炭吸附苯并噻吩硫化物的能力，而活性炭表面负载Fe^3＋或Co^3＋离子，反而降低了活性炭吸附苯并噻吩硫化物的能力，这主要是活性炭表面的酸碱性质发生变化。

Skill-mental dominated event-group has characteristics what are polarizing frighten goal and fluctuating variation course. 6 Coaches and athletes must insist on the principles that is comminuting of judging accurately and intervening in good time, perspective with getting practical to combine together, timeliness and synchronous combine together, controllability and principle that substantial results combine together.

影响竞赛过程中运动员竞技能力变异的众多因素可聚合为以下四个相对独立又相互联系的子系统，即：运动员的竞技状态与相对竞技实力、参赛认知水平与比赛经验、可逆转环境和中立环境。4运动员竞技能力的参赛变异具有变异成因的多元性和多变性、变异内容体能的先导性、变异过程的可控性与非可控性、变异结果的两极性和层次性和参赛行为的心态易变性等五个方面的一般训练学特征。5体能主导类项群具有变异结果直观性、变异过程连续性和对手制约两重性等特征；技能主导类项群具有单项贡献制约性、个体变异传递性和裁判评定诱导性等特征；技战能主导类项群具有群体整合共生性、核心技战术制导性、攻防转换制约性和局盘赛点突增性等特征；技心能主导类项群具有目标恐惧极化性和变异过程波动性等特征。6教练员、运动员必须坚持准确判断和适时干预相结合、前瞻性与务实性相结合、适时性与同步性相结合、可控性与实效性相结合的原则。

On the basis of the stem heat balance principle to measure the plant transpiration, with the instruments to collect meteorological data in greenhouse, we studied the variation rules of tomato sap flow under different environmental treatments through shading and obturating environment.

在茎热平街技术测定植株茎流的原理基础上，结合温室内气象数据采集仪器，通过对小温室做遮光、密闭处理，探讨番茄茎流的变化规律。

Aimed at the arising problems such as the cross-incompatibility and hybrid's sterility during distant hybridization of fruit trees, effects of different treatments on cross-compatibility of distant hybridization in stone fruits were studied based on the former studies, then physiological and biochemical changes during hybridization between plum and apricot were primarily discussed, and rescue and culture system of hybrids' embryos were also conducted, further the genetic variation and principle between the hybrids and their parents were analyzed and methods of identification of hybrids were established.

针对果树远缘杂交过程中存在的杂交不亲和性及杂种不育性等问题，在前人研究的基础上，研究了不同处理对核果类果树远缘杂交亲和性的效应，并探讨了李、杏属间杂交过程中发生的生理生化变化以及花粉与柱头的互作，建立了李、杏属间远缘杂种的胚培养技术体系，建立了杂种鉴定检测方法，并分析了杂种后代与其父母本之间的遗传变异及规律，最终将一批远缘杂交新种质定植于大田，同时对自然界存在的杏梅种质资源进行了RAPD分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。