查询词典 method of undeterminated coefficients

The ad sorption coefficients are very low, with 1.4%for α-quartz, and nearly 0%for cuprite.

石英和赤铜矿的吸附率最低，α-石英为1.4％，赤铜矿为零。

Under this situation, sparse signal expansion theories, a kind of new multiscale analysis theory that has been developed in recent years, possess a better performance in detecting the singularities of the signal with straight line or curve in high dimensional space and can be used to express signals with sparse coefficients.

而稀疏信号表示理论是近几年发展起来的一类新的多尺度分析方法，它们对高维空间中具有直线或曲线奇异性信号具有良好的检测性能，可以用稀疏的系数来表示原信号。

We study cuspidal loop bifurcation、 Homoclinic or double Homoclinic bifurcation、 Hopf bifurcation and obtain the necessary conditions to generate limit cycles by using the coefficients of the expansion of the first Melnikov function.

利用一阶Melnikov函数的展开式的系数研究了尖点环分支、同宿分支、双同宿分支和Hopf分支，并给出了产生极限环的充分条件。

According to the non-backlash meshing basic relation ship and the requirement of equality of addendum reducing coefficients,the paper applies computational methods of computer programming and cut-and-try to determine the modification coefficient of idle gear in ordinary gear train .

本文依据无侧隙啮合基本关系和齿顶降低系数相等的要求，应用计算机编程计算和计算器试凑计算方法，确定定轴轮系惰轮的变位系数。

In Chapter 6, the self-induced geometric phase of laser field when possessing cyclic attractors and the complex Berry's phase under the adiabatic evolution of backscattering coefficients when not, including the case of having noises, are considered in a two-mode ring laser with backscattering.

在第6章中讨论了具有后向散射的双模环形激光具有周期吸引子时的自诱导几何相和不具有周期吸引子时在后向散射系数绝热演化下的复Berry相。

The mitosis coefficients were decreased,in an other word, AlCl_3 has marked cytogenesis toxic effect on the root tip cells of Garlic.

用不同浓度的三氯化铝分别处理大蒜根尖6h，18h，24h，结果表明：各处理组均对大蒜根尖细胞有丝分裂产生抑制。

A new calculation model is established using the simulating curves presented by Standing and Katz. The coefficients of the correlation are determined by fitting to the data of Standing and Katz Z-factor chart. The results of the two models are compared, the conclusion can be drawn that the error of LXF model is smaller than that of DAK model.

利用两种模型对不同拟对比温度和拟对比压力组合条件下的天然气偏差系数进行了拟合计算，与理论图版值的误差对比显示，在高温高压条件下LXF模型的拟合结果更优，特别是随着拟对比压力的增加，LXF模型的误差不断减小，因此，该模型更适用于高压和超高压条件下天然气偏差系数的工程计算。

The influence of the damping coefficients on the current is investigated.

计算了阻尼系数及闪烁频率对定向运动的影响。

The results were summarized as follows:(1) the 4-week interval retest reliability for the Decidedness, Comfort, and Reasons scales were .69,.80, and .89, respectively, and for the subscales of the Reasons scale ranged between .78 and .85;(2) the alpha coefficients for the three scales were .85,.91,.97, and for the subscales of the Reasons scale ranged between .78 and .93;(3) there was a positive correlation between the Decidedness scale and the Comfort scale, and both scales were negatively correlated with the Reasons scale;(4) career indecision was found to be correlated as expected with state-trait anxiety, career beliefs, and perceived career barriers;(5) there were no significant differences between social science group and natural science group;(6) the only significant gender difference was found on the Career Choice Importance scale of the Reasons scale; and (7) there were significant grade differences on all the CCFI scale scores, with higher school grade level students showing greater decidedness.

本量表共分三部分：定向量表，安适量表及原因量表。其中，原因量表尚包含「环境资讯」、「抉择时机」、「双趋冲突」、「焦虑犹豫」、「科系因素」、「外在阻力」及「自我认识」七个分量表。做答方式采六点计分，从「非常不符合」到「非常符合」。信度方面，间隔四周的再测信度，定向量表为。69，安适量表为。80，原因量表为。89（分量表介於。78至。85间）。Cronbach alpha系数，定向量表为。85，安适量表为。91，原因量表为。97（分量表介於。78至。93间）。在效度方面，定向量表与安适量表呈显著正相关(r=。67)；两量表与原因量表呈显著负相关(r=-。77及-。75)；原因量表各分量表的内部相关低於各分量表与总分的相关。大学生的生涯定向程度、对生涯定向状态的安适程度及生涯未定向原因的类型三者与特质焦虑、情境焦虑、生涯信念及职业抉择阻力有关。

A binary-coded decimal code for representing decimal numbers in which each decimal digit is represented by seven binary digits which are coefficients of8, 6, 4, 2, 0, 1, 0, respectively.

用于表示十进制数的一种二进制编码的十进制码，其中每位十进制数用七位二进制数来表示，它们分别是8，6，4，2，0，1和0的系数。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。