查询词典 variation of a function

The general correlation theories are presented to discuss the existence condition of a variation principle, which is named as the athwart problem of a variation principle.

本文较为系统地讨论了建立变分定理的前提条件(本文称之为变分定理的逆问题)的具有普适性的泛函相关理论。

Two consistent systems for elasticity, the Axiomatic System of Variation and the Formal System of Variation, are suggested in this paper.

他事实上认为变分原理中的变量独立是不证自明的或理所当然的[14]。但是变量独立的问题并没有解决，因为在他的系统中也存在着矛盾。

Keywords : variational theory, variable-independence, consistency , formalization, Axiomatic System of Variation, Formal System of Variation

进一步，我们发现，在鹫井久一郎、钱伟长和罗恩的工作中明示的或隐含的有关变量独立的"传统"的理解隐含着矛盾 [6， 9-11， 14]。

The conclusion of paper conclude two parts:1. the hand of the Geological Character(1) Shandong conclude six research plots: the hard magma rock plot, the hard sediment rock plot, the plain and riverway alluvium-proluvial plot, the alluvium strand plain plot, the bajada plot and the mountain front sedentary plot.(2) The span of physical and mechanical index is effected by the character of stratum and geological zone. The normal value of physical and mechanical index is not even. The coefficient of variation of synthesis is bigger than the coefficient of laminate. The coefficient of variation is divided into three level: dry density

为获得满意的成果，主要进行以下研究内容：分析研究山东省的地形地貌特征、地层岩性特征、地质构造特征、地下水特征、地质灾害特征及第四系分布特征等，全面系统地了解了山东省的区域地质特征；将山东省划分为两个研究区和六个研究亚区，给出各个研究亚区的工程地质特征和典型地层柱状图；根据山东省已建高速公路的工程勘察资料，统计分析3957个样本点，得到各研究区典型地层的地基承载力取值范围和9个物理力学指标的标准值；利用ARCVIEW和

Under toxic load shocking, The PGANN found by the database of UASB acclimated by the toxicant could be applied to predict the dynamic variation of the UASB been not acclimated. The PGANN found by the database of the UASB been not acclimated could also be applied to predict the dynamic variation of the UASB acclimated by the toxicant.

毒物负荷冲击下，在未驯化的UASB反应器上建立的PGANN可用来预测驯化过的UASB反应器各参数的变化，在驯化过的UASB反应器上建立的PGANN也可用来预测未经毒物驯化的UASB反应器各参数的变化。

Discuss the influence of the factors of section forms(different ratios between limb length with limb width), the reinforcement that adjusts the bellyband ends, and the existence of stirrup on the limited values of axial compression ratio of the T, L shape section columns, and draw the variation law of the limited values of axial compression ratio along with the variation of theabove-mentioned factors.

讨论了截面形式、改善腹板端部的配筋、以及箍筋的存在等因素对T、L形截面柱的轴压比限值的影响，得出了轴压比限值随上述因素的变化规律。

The scale-value, which is converted from the bore-hole strain, by nse of the observed values in tidal frequency band of the bore-hole strain and the elastic coefficients of the bore-hole corescan can be used for coverting non-tidal variation of the bore-hole strain into variation of the non-tidal stress of the same stratum.

顾梦林 ，杨毅，骆鸣津利用钻孔应变观测值中潮汐频段部分和钻孔岩芯的弹性系数，将钻孔应变换算为地层应力的格值，用此格值可将钻孔应变的非潮汐变化换算成该地地层的非潮汐应力变化。

To investigate variation of soil bacteria community in response to the change in the above-ground vegetation, soil samples were collected at three sites, i.e. bamboo groves, mixture of bamboo and broadleaf tree and broadleaf forest. To explore variation of the soil bacterial structure, 16S-rDNA-V3-fragment-base DGGE (denaturing gradient gel electrophoresis) and clone sequence BLAST technologies were applied.

为了解毛竹人侵天然林后地下土壤微生物多样性的变化，分别采集了毛竹纯林、竹阔混交林和原始天然阔叶林下的土壤样品，应用建立于165 rDNA V3区片段的变性梯度凝胶电泳和克隆测序比对来研究土壤细菌结构的变化。

The variation of body mass in 62 species of mammals belonging to the Order Carnivora accounts for 86.8％ of the variation in their basal rates of metabolism.

在食肉目的62种动物中，体重的变异可以解释基础代谢率86.8％的变化。

It is showed that the variation of the wetland width, which led to flood level fluctuation, could be finally summarized to the variation of the river channel width.

结果表明，不同湿地宽度对泄洪水位的影响，最终归结为主槽宽度的变化对泄洪水位的影响。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。