起源于

The results show that follicular cells originate from non-germ cells,and its whole development process can be divided into four stages:scattered cell stage,unilayer flat cell stage,multilayer flat cell stage and granule cell secretion stage.

结果表明，滤泡细胞起源于非生殖细胞，并且其整个发育过程可分为4个时期：零散细胞期、单层扁平细胞期、多层扁平细胞期和颗粒细胞分泌期。

The roots of modern education, in Britain and elsewhere, lie in the half-hidden world of ancient schools.

而英国和其他地方的现代教育都起源于古代学校那迷雾重重的世界里。

According to legend, hornpipes originated on English sailing ships in the 16th or 17th century.

据说，角笛舞起源于16至17世纪的英国航海船支。

The appropriateness of such an approach may seem self-evident for a tradition commencing with spirituals and owing its early forms,rhythms,vocabulary,and evangelical fervor to Wesleyan hymnals.

对于起源于圣歌，并从韦斯利赞美诗集那里汲取其早期形式、韵律、词汇和传教热情的美国黑人诗歌传统来说，这种分析方法显然是非常合适的。

Past the feed store where the Mennonites tied their horses, out the back of the town hall parking-lot and then down a ridge to the ice- covered stream and through the Church Street culvert to come out in the unused field behind the Front Street stores; the forbidden adventure we indulged in as a gesture of defiance against the parental "come right home."

路过了门诺派教徒们（16世纪起源于荷兰的基督教新派，反对婴儿洗礼，服兵役等，主张生活俭朴）拴马的饲料商店，走过城镇后方的舞会礼堂，走过一个通向冰封溪水的山脊，穿过教堂大街来到佛朗特大街商店后面的一片荒地；我们沉湎于这被禁止的冒险，它标志着对父母说的&直接回家&这一命令的蔑视。

Their name is derived from the Lewis Carroll poem Jabberwocky (featured in Alice's Adventures in Wonderland).

他们的名称起源于莱维Carroll诗毫无意义话(具有Alice Wonderland中的的冒险的特点)。

Their name is derived from the Lewis Carroll poem Jabberwocky (featured in Alice's Adventures in Wonderland).

他们的名称起源于莱维Carroll诗毫无意义话(具蠥lice Wonderland中的的冒险的特点)。

The "John Doe" name began during the rule of England's King Edward III.

&约翰。罗&这个名字起源于英格兰国王爱德华三世的统治时期。

Originating the water ascends to drag along to take, porterage etc. activity, its development process has something to do with 蛙泳 with free 泳.Appear in 1794 the relevant human body lie on the back the surface, two arms row the water backward in the side, two legs do the 蹬 of the 蛙泳 clips the operative writing jots down, so have the " versa 蛙泳" or" breast-stroke swimming backstroke" at the beginning it call.The 1902 lead the free the technique of 泳 into the backstroke,1912 the United States athlete 赫 cloth 纳 H.

起源于水上拖带、搬运等活动，其发展过程与蛙泳和自由泳有关。1794年出现有关人体仰卧水面，两臂在体侧向后划水，两腿做蛙泳的蹬夹动作的文字记载，故最初有&反蛙泳&或&蛙式仰泳&之称。1902年将自由泳技术引入仰泳，1912年美国运动员赫布纳

One of the few points of agreement for most of the 20th century was that tsars were a Bad Thing, a particularly nasty example of natural selection that started with some brutal caesars, took in some belligerent kaisers and found its most excruciating expression in the Russian variants.

对20世纪的人们来说，为数不多的共识之一就是，&沙皇&是个&坏东西&，一个尤为人恶的物竞天择的实例。该词起源于一些残忍的专制君主，包括了一些好战的独裁皇帝，并在俄罗斯版本中衍生出最极端的表达形式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。