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Man has accumulated vast material and ideological wealth which is beyond comparison with that of the previous millennia.

人类创造了以往数千年无法比拟的巨大物质与精神财富。

There are two findings summarized from previous studies:(1) the least squares estimator is a common choice of researchers, but under an unequal probability design, the estimator is biased,(2) the probability weighted estimator is consistent but may have a large variance.

过去的研究发现：(1)在不等机率抽样时，一般常用的最小平方法所得到的回归参数估计式并非不偏估计式；(2)机率加权最小平方法可以改善不偏性，然却增加估计的变异程度。

When the item is bidden,we will immediately make preparation for the previous work.

项目中标之后，我们将立即开始前期准备工作。

F. Insufficient frequency of previous screening (eg, failure to be screened at least biennially).

f。之前的筛查不足（如没有至少2年筛查一次）。

F. Insufficient frequency of previous screening (eg, failure to bescreened at least biennially).

f。之前的筛查不足（如没有至少2年筛查一次）。

At the previous ten International Design Competitions held biennially between 1983 and 2001, the objective was mainly to suggest visions and messages

从1983到2001共举办过10次两年一次的国际设计竞赛，竞赛主题主要是以对未来人类环境的表达与诠释为主。

At the previous ten International Design Competitions held biennially between 1983 and 2001, the objective was mainly to suggest visions and messages concerning the future of humankind.

在以往的10届国际设计竞赛中，竞赛目标主要关注人类未来的想象。

Requests the Executive Secretary, when drafting future budget proposals, to present the level of detail provided in the previous biennium and submit the proposals in a timely manner.

请执行秘书在拟订今后的概算时跟以往两年期一样详细，并及时提交概算。

The new director was a big wheel in his previous company,but is not so important now.

这个新主管在他前个公司是个大人物，但现在不是了。

The new director was a big wheel in his previous company but is not so important now.

这位新主管在他前个公司是个大人物，但现在不是了。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。