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Methods The Sequence Method was employed to test LD50 of the clathrate compound injected intravenously.

采用序贯法，静脉注射测定药物的LD50。

After the solidification of concrete, the anchor bolts cleading can be dismantled. Then high intensity concrete grit slurry can be employed to level up the area of 30cm surrounding the anchor bolts, until reaching the designed elevation.

混凝土终凝后，应立即拆除地脚螺栓套板，并在地脚螺栓周边30cm的范围内，用高强度水泥砂浆找平至设计要求的标高。

In this dissertation, EISCAT radar observations and computer numerical simulation methods are involved to study the climatologic characteristics of polar ionosphere and their mechanisms, as well as the polar ionospheric responses to magnetospheric particle precipitation and convection electric field. Then, with the help of the numerical computation, the EISCAT data are employed to invert the energy spectra of auroral precipitating particles and their responses to magnetic storms and substorms.

本文联合利用EISCAT雷达数据和计算机数值模拟手段，以雷达探测数据为基础，数据分析和数值模拟、理论研究相结合，研究了极区电离层气候学特征与机制，磁层粒子沉降和对流电场对极区电离层的影响，并利用雷达数据反演极光沉降粒子能谱特征及其对磁暴和亚暴的响应。

Methods Stratified random and cluster sampling methods were employed in this study.

正确使用安全、可靠的避孕方法是降低意外妊娠的关键。

Methods of cobweb model and institutional economic analysis are employed.

研究方法：蛛网模型和制度经济学分析方法。

One insecticide under fire is azinphos-methol, or AZM, long employed in apple orchards to eradicate codling moths.

首当其冲的一种杀虫剂叫谷硫磷，或 AZM ，长期以来一直用于清除苹果蠹蛾。

In this paper, the distribution curve and coefficient of group with sequenced character were employed to compare the medical expenditure distribution between two historical times in sampled areas.

本文运用有序特征群体分布曲线和系数比较分析了两个历史时点样本地区人群医疗费用的分布。

The reason for this distinction is clear, as the words used by parents and so-called purchasers are the same as those employed in the mancipation of slaves, but in the coemption of women this is not the case.

但是，区别的根据是明显的，他们被尊亲属和买主采用买卖奴隶时所使用的同样词句置于财产权下；相反，在买卖婚中就不这样做。

The steel cofferdam has been widely employed in the construction of long bridges for its advantages contrasted with other construction methods.

钢围堰以其诸多优点在大型桥梁施工中得到了广泛应用，对其安全性进行分析并采取相应控制措施，是桥梁深水基础设计和施工中的重要技术环节。

In the 1960s, he pointed out, 95 per cent of this age cohort had been employed.

他指出，在上世纪60年代，该年龄段美国男性的就业率是95%。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！