safety quantity

Radiation energy absorbability ( REA) is a quantity similar to Linear Energy Transfer ( LET) to study the safety of spacecraft in the radiation environment of space.

辐射能量吸收率（REA）是一个与线性能量传输（LET）类似的物理量，可用于研究航天器在空间辐射环境中的安全问题。

GSM-R system can increase railway transport efficiency , guarantee safety and service of quantity.

GSM—R 系统可以增加铁路的传输效率, 安全保证和服务质量.

Initially, people skimp on non-staple foods, cutting the quality and diversity of their intake; in the next stage, the quantity and safety of diets suffer.

最初，人们通过削减食物品质和摄入种类来减少副食品方面的开支，紧接着就是食物数量和安全性。

New generation Internet ( IPv6), with its measures in the IP ad-dress, the advantage of bigness between safety, ambulation and service quantity etc., has been develops the enormous function for an new realm& moving Internet.

新一代互联网协议（IPv6）以其IP地址巨量、安全性、移动性以及服务质量等方面的巨大优势，正在一个全新的领域&移动互联网发挥着巨大的作用。

But the safety of the aquatic products'quality is affected as well as the human's health because people focus on the quantity at the expense of management, over-consumption of the resource and the experiment.

但水产养殖业在发展过程中，由于重数量、轻管理，过多地消耗资源、牺牲环境，水产品质量安全受到影响，同时也威胁着人类的生存健康。