The chief of these questions respect the origin of exogamy and of endogamy.

这些问题中最首要的同外婚制和内婚制的起源有关。

She embarked on a discourse about the town's origins.

她开始讲本市的起源。

The origins of this ancient structure are lost in antiquity.

这座古建筑的由来已经失传了。

Scientists speculate on the origin of the universe.

科学家们猜测宇宙的起源。

The origins of some words are unknown.

这些词的起源是不知的。

They are collecting this material at the points of origin.

他们正在产收集这种材料。

Sardinia's origins are lost in the mists of time .

撒丁王国的起源已湮没在时间的迷雾中。

The cat is the origin of infection which the arch polypite gets sick.

猫是弓形虫体病的传染源。

The origin is the "Hebdomad Reiteration" in ZhouYi and Zen Ideology of Buddhism.

其文化渊源乃在《周易》“七日来复”之道和佛教想。

Darwin generalized from many facts to reach his idea about the origin of man.

达尔文对许多事实加以归, 得出了他对于人类起源的观。

Earthquakes are grouped according to their origin, into three classes.

按其起因可分为三类。

Population genetics owes its origin to Francis Galton.

体遗传学的创立应归功于弗朗西斯·高尔顿。

Within China, Bohea is considered the origin of black tea.

在中国，武夷山被视为红茶的发源之。

Huanglong Beiyi nival the peak Minshan Xuebaoding, facing the Fujiang Bicheng origins.

黄龙背倚终年积雪的岷山主峰雪宝顶,面临碧澄的涪江源流。

The origin of flaps was frontonasal flap in 58 cases, bilobed flap in 67 cases, reforming rhomboid flap in 152 cases, nasolabial flap in 118 cses, forehead falp in 33 cases.

皮瓣来源于额鼻皮瓣58例，双叶皮瓣67例，改良菱形皮瓣152例，鼻唇沟皮瓣118例，额正中皮瓣33例。

The lowest cell density was found in duodenum.The origin of distributive mode of argyrophil cells in the digestive tract of Takydromus wolteri might be related to its habitat and feeding habit.

且嗜银细胞形态多样，主要有锥体形、椭圆形等广泛分布于上皮细胞基部、上皮细胞之间、腺泡上皮及腺泡之间，且多数嗜银细胞有明显的突起。

"This is important research because it supports the out-of-Africa theory about the origin of modern humans," said Ranjan Deka, a population genetics researcher at the University of Cincinnati.

“这是个重要的研究成果，因为它支持了有关现代人类起源的“非洲起源说””，辛辛那提大学人类遗传学研究员Ranjan Deka说。

Type I depressor septi muscles(62%) are visible and identifiable, and can be traced to full interdigitation with the orbicularis oris from their origin at the medial crural footplate.

型降鼻中隔肌（62％），解剖中可见，可被识别，并发现在其起始部位内侧脚踏板处和同起于此的口轮匝肌完全交错。

But few people had discourse upon the origin, development, location, amount, puncturable method and action mechanism of Jiaji Acupoint, This greatly influenced the clinical application of the points.

但是对夹脊穴的渊源、发展、定位、穴位数目、针刺方法及其作用机理鲜有系统论述者,这极大影响了夹脊穴的临床应用。

This paper indicates the reasons of establish member and introduces its origin and stratotype section, as well as its extend and correlation.At last, its geological age is discussed.

文中阐述了建段的理由，介绍了名称来源、层型剖面、层的延伸与对比，讨论了质时代。