查询词典 fluctuation

This paper indicates,through talking about the historical process and debates of the establishment of light corpuscle theory and light fluctuation theory,that physical hypothesis plays a pioneering,bridging and promoting function.

通过评价对光微粒说及光波动说建立的历史过程及它们的争论，说明物理假说在物理学发展过程中的先导和桥梁作用以及推动作

The teenage psychological feature is different from the adult's which has several contradictions such as self-consciousness and social rule,ideal and reality,feelings fluctuation and covertness,sexual mature and puerile,and so on.

青少年的心理特点有别于成年人，其心理发展中存在着几对矛盾：自我意识与社会角色的矛盾，理想我与现实我的矛盾，情感波动性与内隐性的矛盾，性机能成熟与性心理相对幼稚的矛盾等。

The figures for Prague and Cracow show rather more fluctuation.

数字布拉格和克拉科夫显示较为波动。

In order to raise the critical temperature for damping applications of damping alloys in the high temperature environment, the as-cast microstructure of Mn-Cu alloys is investigated which is characteristic of the dendrite microstructure with a composition fluctuation.

为解决Mn—Cu阻尼合金使用温度的局限性，本研究选用凝固过程控制的方法在铸造组织中来获得较大幅度的Mn含量分布。从而在Mn-Cu合金得到较高的高阻尼特性温度。

It was found that the main source of uncertainty in the system is the additional noise from the movement of the frozen flux by the pressure fluctuation in the cryostat, which disturbs the system during the dynamic process. Thus a new type of helium gas filter was designed to solve this problem.

并通过对低温电流比较仪系统及运行过程的研究，发现了氦气气压波动引起的冻结磁通蠕动导致的附加噪声是限制系统不确定度的主要原因。

By considering torque characteristics of variable-frequency motors and mesh stiffness as well as backlash nonlinearity in gear transmission,a dynamics model for the cutting system of shield tunneling machine with redundant drives was established. The fluctuation characteristics of torque loads and dynamic cutterhead driving torque in composite strata were analyzed.

复合地层掘进扭矩载荷突变是造成盾构机掘进过程中堵转停机的直接原因，考虑盾构机刀盘驱动变频调速电机特性、转矩传递过程中齿轮啮合刚度及齿侧间隙等非线性因素，建立冗余驱动的盾构机刀盘切削系统机电耦合动力学模型；针对典型复合地层地质条件，对盾构机在上软下硬地层掘进过程中刀盘驱动转矩动态特性进行仿真分析。

In order to ensure the reliability and accuracy of theoretical analysis, we use empirical analysis on the market data. At first, we make multivariate statistical regression on the financial indicators, including the day-to-day operating conditions, the stock market performance, and single-stock risk in a fluctuation cycle. On the basis of control variables, we then examine the direct impact of governance indicators and the indirect impact (the cross-variable regression of financial and governance).

为了保证理论分析的可靠性和准确性，运用实证分析法对股票市场一个波动周期内的财务指标（包括日常经营状况、股票市场表现、单只股票风险三方面）做多元统计回归，在此基础上，以财务指标作为控制变量，研究治理指标的直接影响和间接影响（财务与治理变量交叉项的回归）。

Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of voltage.

热循环仪的电源应专用，并配备一个稳压电源或UPS，以防止由于电压的波动对扩增测定的影响。

Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of volt-age.

热循环仪的电源应专用，并配备一个稳压电源或UPS，以防止由于电压的波动对扩增测定的影响。

Cyclical fluctuation of production and price is the main characteristic of pig industry.

生猪产业的一个主要特征是产量和价格的周期性变化。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。