查询词典 Pr

Methods The three-dimensional fluorescence excitation and emission spectra of the 1×10^(-4)mol/L^(-1)Pr chlorides complex with benzimidazole were measured by the Xe lamp.

在氙灯的激发下，测量了浓度为1×10^(-4)mol/L氯化苯并咪唑镨配合物水溶液的三维荧光激发和发射光谱，并讨论了该配合物的升频转换荧光现象及其机制。

So, we discuss the asymptotically best linear unbiased estimator for the logistic population based on the selected order statistics, give the pr.

为缓解这一困难，本文讨论利用样本分位数的Logistic总体的近似最佳线性无偏估计，给出估计量的大样本性质，以及样本分位数不超过10情形下，估计量有渐近最大相对估计效率时样本分位数的选取方案等。

On the basis of diagnosis and measure of multicollinearity,a new biased estimator of unknown parameters called partial ridgeestimator is proposed for Gauss-Markov model.Its properties are discussed,and some important conclusions are drawn.The determination of biased parameter in the PR estimator is discussed too.

基于复共线性诊断和度量的结果，提出了测量平差Gauss-Markov模型参数的一个新的有偏估计，称为基于复共线性诊断和度量的部分岭估计，讨论了部分岭估计的优良性质，提出了岭参数的选取方法。

Obvious energy transfer was observed without using a biased field in the sample, which proved that the PR effect exists in the material.

以He-Ne激光器为光源，我们搭建了双光束耦合实验平台，在不加电场条件下，观察到了明显的能量转移现象，验证了光折变效应的存在。

Even with the routine use of drugs to pr even t blackhead, the two species should never be run together

即使采用药物防止黑头病作为常规措施，这两种家禽也永远不能混群。

Fact of the matter is, however , that pr oportionate blam e should be assigned to the lackadaisic al

有的人乾脆认为造成出口下降的原因是横扫亚洲许多国家的金融危机。

I have a pr o blem with my car.

我的车出了点问题。

Can you help me solve this pr o blem?

你能帮助我解决这个问题吗？

What's your pr o blem?

你有什么问题？

Can you help me s o lve this pr o blem?

你可以帮助我解决这个难题么？

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。