Repairing such breaks is an essential but hazardous process, often leaving missing or added bases at the point of repair.

支持这种关系的证据是需要修复的特定基因的损伤产生疾病例如加速衰老。

youdao

They are dropping food and medical supplies by helicopter to the most remote communities, but the steep mountains make even that a hazardous process.

他们使用直升飞机向最偏远的地区投递食品和医疗补给，但是陡峭的大山使得空投过程也非常有危险。

youdao

Later, the research aim and process about environmental risk information management system of hazardous materials railway transportation are put forward.

随后，提出铁路危险货物运输环境风险管理信息系统的设计目标以及研究思路。

youdao

Ilya Raskin of Rutgers University says plants can help clean up hazardous waste sites through a process of phytoremediation.

CNN: Flower power

One example is the nanolithography used in chip making, which eliminates process chemicals that are hazardous to the environment.

FORBES: Nanotech Vs. The Green Gang

This is a messy process that takes several days and requires workers to wear respirator suits to protect themselves from hazardous materials as they sand, prime, mask and repaint the aircraft.

ECONOMIST: It’s a wrap | The