起源于...

The primitive men held the belief t hat their clan originated from some natural things; therefore, they considered these things as their clan's s acred symbols -- a worship of totem.

原始人一般认为本氏族乃起源于某种自然物，所以往往把这一自然物作为本氏族的神圣标志加以崇拜，这就是图腾崇拜。

The exclusion of females and their children from governmental functions, commonly attributed to the usage of the Salian Franks, has certainly an agnatic origin, being descended from the ancient German rule of succession to allodial property.

把女性及其子女排斥在政府职务之外，一般以为系由于撒利族法兰克人的惯例，但这当然是来自&宗亲&关系，起源于古日耳曼对于自主财产的继承规定。

The phylogenetic analysis based on the sequences in this region indicated that the y-type HMW glutenin subunits of Agropyron elongatum species were different from other subunits, whereas the x-type subunits of them were most closely related to that from the B genome.

推测四倍体长穗偃麦草中的E1基因组可能起源于二倍体的E基因组。与来自小麦族的A、B、D和G基因组部分亚基基因的启动子序列比较表明，小麦族的这一区域在进化上是相当保守的，不同基因组来源的序列同源性都在90%以上。

But because amoebae feed on relatively large particles, over 500nm, they are one of the few organisms that can take in and host a giant virus.

拉奥尔特表示，查尔斯·达尔文提出的生命起源于同一个祖先的理论并未预见到这个机制。

5"Anthropology" derives from the Greek words anthropos "human" and logos "the study of."

&人类学&这个单词起源于希腊字 anthropos&人类&和 logos&研究&。

Darwin continued to publish more works, including his The Descent of Man (1871), in which he applied his theory of evolution to humans, implying that they had descended from apelike creatures.

此后他还出版了许多著作，包括1871年出版的《人类起源及性的选择》一书，在该书中他把进化论用于人类，暗示着人类起源于猿类生物。

Pushed by Hamilton's theory, some botanists have discovered and testified aposematic coloration do exist in plants such as autumn leaves, young leaves of tropical rainforests, some thorny plants and reproductive organs of plants whereas some of them are still obscure or controversial.

起源于猎物－捕食者关系的警戒色理论在动物界得到了充分研究，但植物警戒色却不为人所知，直到2001年Hamilton关于秋季树叶颜色的信号假说公开发表后，才引起人们对植物警戒色的初步研究。

Intraventricular meningiomas are believed to arise from the arachnoidal cap cells trapped within the choroid plexus, the tela choroidea, or the velum interpositum.

脑室内脑膜瘤据信是起源于脉络丛、脉络组织、中间帆内的蛛网膜帽状细胞，相应的，侧脑室三角区是最常见的发病部位。

Chinese tragicomedy origins from the ancient sacrificial rite whose intrinsic structure"auspicious-ominous-auspicious" is corresponding with the structure of classical tragicomedy. It reflects the ancient Chinese asperation on the plenteous harvest, good fortune and satisfaction.

中国悲喜剧起源于古代祭祀仪式，古典悲喜剧&喜—悲—喜&结构和祭祀仪式的内在结构&吉—凶—吉&相对应，体现了中国古代人民对农业丰收、化灾纳福、祈求圆满的强烈愿望。

The reflection of VHF signals can also occur during aurorae - spectacular curtains of lights arising from charged particles originating from the sun.

VHF 信号的反射可能并且发生在aurorae -光壮观的帷幕期间出现从荷电粒子起源于太阳。

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。