确定的

At least eight studies conducted over the years were unable to demonstrate a clear link between insertive anal *** and a risk for HIV infection among MSM.

至少有8个研究在进行了很多年的调查后仍无法证明在男同性恋中插入方和HIV感染风险由确定的必然联系。

At least eight studies conducted over the years were unable to demonstrate a clear link between insertive anal sex and a risk for HIV infection among MSM.

至少有8个研究在进行了很多年的调查后仍无法证明在男同性恋中插入方和HIV感染风险由确定的必然联系。

Taxonomic species are defined on phenetic discontinuities, not on interfertility

分类学上的种是根据表型不连续性而不是根据互交可孕性来确定的。

In summary, this article tries to make a juxtapositional study through some strategic points, aims to dig out some potential proposition hidden under some individual study and also attempts to set a fix coordinate and direction for the study of modern thought and poetry.

总之，本文通过某些关键点对二人进行&并置&研究，试图能够深入发掘某些单独研究可能被遮蔽的潜在命题，并试图为中国近现代思想、诗学研究确立较为确定的坐标与方向。

In 1902 Lenard showed that an electron must have a certain minimum energy before it could produce ionisation when it passed through a gas.

莱纳德在1902年提出，当电子通过一种气体时，必须具有一个确定的最小能量，才能产生气体的电离。

Coli directed against the full lenth of amino acid in protein.

在获得大量高纯度确定的双聚体金属硫蛋白的基础上制备了多克隆抗体，单一性识别BjMT-2。

Methods: mensurate the overlapping area between the neighboring fields under localizable simulator and photos of fluoroscopic verification respectively used two postural fixation and two methods to fix on border of the neighboring fields.

方法用相邻野边界确定的两种方法和两种体位固定法分别测定模拟定位机下及验证片相邻野之间的重叠区。

45 positive loci obtained from this family may be as the candidate positions for matrilineal non-syndromic deafness .

本文经全基因组扫描所确定的45个阳性位点可作为本家系连锁分析的候选位点。

By now, it's almost a certainty-- not only did the PTR shut down last week, but Neth has almost confirmed on the forums that patch 2.2 is coming tomorrow morning.

目前为止，看起来可以确定的是，暴雪并不是仅仅在上周把PTR测试服务器关闭，连Neth同学也第一次明确的确认了明天上午将更新2.2。

Results Risk for lung cancer caused by exposure to nitrosoamine increased significantly after adjustment of nonoccupational risk factors (RR=271,with 95% CI of 132 to 557),with a significant doseresponse relationship between exposure to nitrosoamine and lung cancer.

结论（1）本文数据提示病例－队列分析因标准误较小、抽样更简便而优于巢式病例－对照研究方法；（2）亚硝胺暴露与肺癌之间有较确定的关系，但受到吸烟和经济状况等因素作用的修饰，需进一步研究

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。