standard specification for ring, bearing, inner: for needle roller bearing with drawn outer ring

rolling bearings - needle roller bearing track rollers - boundary dimensions and tolerances

滚动轴承.滚针轴承滚道滚针.边界尺寸和公差

the needle roller bearing is a cylindrical roller bearing with thin, long rolling elements.

滚针轴承是拥有薄的，长的滚动体的圆柱滚子轴承。

to ensure efficient lubrication, the needle roller bearing has an annular groove and lubrication hole in the outer ring.

为了确保有效润滑，滚针轴承的外圈上有环形槽和润滑孔。

if this is not the case , the alignment needle roller bearing must be subjected to an additional radial load .

如果不是这样，必须使对中滚针轴承承受额外的径向载荷。

this plague spot of civilization ought to be abolished with all possible speed.

文明国家的这种罪恶的渊薮，应当尽快加以消灭。

the electric field model of the reach-through silicon avalanche photodiodes with ion implantation type of impurity profiles

离子注入拉通雪崩光电二极管的电场模型

research on reach-through avalanche photodiode equivalent circuit

拉通型雪崩光电管等效电路的研究

instead, we can quickly understand and study valuable traits in new species by exploiting where their genomes and physiological processes are similar to others.

相反，我们可以迅速理解并研究新物种的有用特征，方法是利用基因组以及和其他物种类似的生理学过程。

these maggots provided evidence that the separate evolution that is the forerunner of new species does not have to be geographical or physical.

分离进化是新物种得以产生的先驱。这些蝇蛆证明了这种分离并不一定得是地理或地域上的。

he and his cohorts discovered hundreds of new species and collected thousands of samples from the plants and animals that live there.

达尔文及其同伴们在岛屿上发现了几百个新物种，采集了当地数千类动植物的标本。

the sustut dinosaur may be a new species, but we won't know for sure until more fossils can be found.

它应该是一支新物种，但是我们仍无法确定，目前需要发现更多的该物种骨骼化石。

though this kind of lizard is a new species to the scientists, local aborigines have known about it for centuries.

尽管对于科学家来说，这种巨蜥是新物种，但当地土著人已经认识它们几百年了。

intelligent design advocates have said sudden shifts in the fossil record are evidence of a higher power creating new animal forms.

倡导智慧设计论的人曾声称，化石记录的证据表明突变是更高效率创造新物种（的手段）。

well even experts have a hard time telling this new species from its northern and southern cousins on looks alone.

单就外形而言，即使专家也很难指出这个新物种同它的北部和南部的堂兄弟之间到底存在什么区别。

as a matter of fact, scientists have just found four new species of the zombie creating fungus, ophiocordyceps.

事实上，科学家刚刚已经发现了能产生真菌的4种新物种。

notes on four species of eriophyid pests wolfberry in china ( acarina: erophyoidea) establishment of autotetraploid of lycium barbarum

我国为害枸杞的四种瘿螨记述（螨目：瘿螨总科）枸杞同源四倍体新物种类型的建立

the "uncultivable" microbial majority arguably represents our planet's largest unexplored pool of biological and chemical novelty.

无法培养的大部分微生物可商榷地代表我们地球上最大的一群尚未探索的生物与化学新物种。

a full genetic and physical comparison with other gibbons then confirmed that they had found a new species.

通过与其它长臂猿完整的基因和事实比对他们证实了这是一个新物种。

scientists are discovering new species all the time. but who knew how many? or how weird?

一直以来科学家们都在发现新物种，可谁知到到底有多少新物种，谁又知道这些物种有多奇特？

now comes a new one-the discovery of the first multicellular animals that survive and reproduce entirely without oxygen.

如今，这一家族又添新物种&完全不需要氧气就能生存繁衍的多细胞生物。这是人类首次发现此类生物。