人类发生的

These results suggest that DNA methylation and heterochromatinization play an important role in the early stage of sex chromosome evolution.

这些研究结果为人类性染色体起源和进化的初始阶段所发生的事件，提供了一个直接的证据。

Since the 50s, because of swift development of human engineering maneuver, the karst conceal in the subterranean sinks also emerges as the times require. The frequency that happens is more and more great against intensity .The perniciousness is also broaded at the same time.

自50年代以来，由于人类工程活动的迅速发展，隐藏在地下的岩溶塌陷也应运而生，发生的频率与强度愈来愈大，危害性也随之增大。

Because the speech signal is periodicity at sonant which vocal cords surge in low frequency and similarity to white noises at surd , the pitch can be detected in traditional way through the correlation operation without the speech produce model

在人类语音的浊音段，声带发生较低频率的振荡，语音信号呈明显的准周期性，而在清音段，语音信号则类似于白噪声。

Therefore, it is clear that the moisture regime is the principle factor for the land cover change in subhumid and semiarid areas of the mid-temperature zone.

定量计算表明，人类活动所导致的生态破坏在内蒙古奈曼旗50～70年代和50～90年代累计发生的土地沙漠化中所起的作用分别占38.4％和46.7％。

Malaria remains a leading cause of human morbidity and mortality due to the inability of insecticides and chemotherapy/chemoprohylaxis to eliminate the Anopheline mosquito vectors or disease caused by protozoan parasite belonging to genus Plasmodium.

疟疾仍然是一种严重危害人类健康的寄生虫病。由于抗药虫株以及媒介按蚊耐药性的不断发生和蔓延，世界疟疾形势日趋恶化，防制难度不断加大。因此，研制高效疟疾疫苗是控制和消灭疟疾的重要途径。

All ARM rats were affected by persistent cloaca or rectourethral fistula. Some experts found during the anorectal development in human beings, URS never fused with cloacal membrane, however, we thought in ETU treated rats the failure of fusion of URS with the cloacal membrane was the immediate reason of the ARM.

虽然有学者研究发现在人类正常肛门直肠发育的过程中，尿直肠隔始终没有与泄殖腔膜融合，但我们认为尿直肠隔未与泄殖腔膜融合是ETU诱导的大鼠肛门直肠畸形发生的直接原因。

The researchers, led by Nicky Clayton of the University of Cambridge , wanted to test an idea proposed by Wolfgang K hler, Norbert Bischof and Doris Bischof-K hler, three German psychologists.

德国的三位心理学家–沃尔夫冈·柯和勒、罗尔波特·比斯克赫夫与多李斯·比斯克赫夫·柯和勒–曾提出一个构想，他们说道，仅只有人类能够在经历过某些事情之后从精神意识上勾勒出未来将发生的事情以及他们自己的意想。

For man to have a glimpse of lasting happiness, he has first to realize that God, being in all, knows all; that God alone acts and reacts through all; that God, in the guise of countless animate and inanimate entities, experiences the innumerably varied phenomena of suffering and happiness.

在我打破沉默之前或之后不久，世界的四分之三将被毁灭。我很快将开言，以实现即将发生的一切。目前人类生活已完全陷入幻相的多重性里。

Study on the prote ome of embryo in mice will contribute largely to the knowledge of mechanism du ring health and disease of reproduction.

鼠胚胎发育过程蛋白质组的研究，为了解人类生殖健康和疾病发生的机制提供了有意义的资料。

Two million years ago, just as the Earth's primitive apemen were evolving into big-brained humans, a pair of supernovae explosions occurred near Earth.

200万年前，正当地球上原始猿人在向脑容量更大的人类进化的时候，地球附近的两颗超新星发生了爆炸。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。