They did not become popular until the emergence of improved batteries.

直到改进的电池出现，它们才流行起来。

The most drastic, and thoroughly illegal, reaction has been the emergence of Sci-Hub.

最激烈的、完全非法的反应是Sci-Hub的出现。

The progressive emergence of the child as a responsible being.

孩子渐渐成长为有责任心的人。

With the emergence of private ownership, humanity split up into classes.

随着私有制的产生，人类便分化为阶级。

In the radar echo images the squall line showed herringbone or bow, bull's-eye structure and the main front was associated with thin ribbon weak echo which was the sign of the emergence of gale.

在雷达回波图上呈人字形或弧形，有“牛眼”结构，主回波前缘有细长带状弱回波是出现大风的征兆；

Some common problems faced by many women and men is the emergence of pimples, black spots. black heads and itching on the facial skin and also on arms and legs exposed to the elements.

一些女人和男人都要面对的常见问题就是丘疹（粉刺）、黑斑、黑头和发痒长在面部皮肤、少量也长在无遮蔽的胳膊、腿上。

It showed that Chinese sprangletop germinates to have an emergence peak at 1 week after rice seeded in one season late rice and two season late rice or 2 weeks in early rice.

结果表明 ，千金子在直播田只有一个发生高峰期 ，单季晚稻直播田和连作晚稻直播田发生高峰期在播后1周 ，早稻直播田发生高峰期在播后2周。

Nani talks in-depth about his emergence as one of the key men for United in 2010, and how he is enjoying his football and feels at home in Manchester and at United.

纳尼谈到了自己2010年的出色表现，现在他正在享受自己的足球，在曼彻斯特有家的感觉。

This means that even before the emergence of Homo sapiens in Africa, our ancestral population of Homo erectus was small even at a time that the species was spreading around the world.

这说明智人出现在非洲之前，虽然地球各处的生物都在不断增长，我们的直立人祖先的数量还是很少。

However, the team stressed the emergence of the most deadly superbugs - such as MRSA that has caused thousands of deaths in hospitals - is not linked to the use of disinfectants.

不过，研究小组强调，致命超级细菌的出现——如造成医院中数千人死亡的耐甲氧西林金黄葡萄球菌——与消毒剂的使用无关。