1.
non-persistent gas
非持久性毒气, 暂时性毒气
2.
Bio-degradable, non-persistent wastes
生物降解、非持久性废物
3.
Sporadic dumping
偶尔倾销，非持久性倾销
4.
Persistent Organic Pollutants (POPs) and the Eco-toxicity
持久性有机污染物(POPs)及其生态毒性
5.
not permanent; not lasting.
非永久的，不持久的。
6.
Casual sex, ie not involving a lasting relationship
萍水相逢的性行为（非持久的关系）
7.
Permanence for Nonautonomous Tow-species Lotka-Volterra Cooperatation Systems
非自治Lotka-Volterra两种群合作系统的持久性
8.
Permanence in a Class of Nonautonomous Single-Species Systems with Feedback Controls
一类非自治单种群模型的持久性(英文)
9.
Permanence of a kind of non-autonomous and nonlinear food chain system;
一类非自治非线性食物链系统的持久性
10.
Review on Progress of Persistent Organic Pollutants in Atmosphere
大气中持久性有机污染物的研究进展
11.
Passive Atmospheric Sampling of Persistent Organic Pollutants(POPs)
大气持久性有机污染物(POPs)被动采样
12.
Objective To study the immunity duration of attenuated live rubella vaccine.
目的了解冻干风疹减毒活疫苗的免疫持久性。
13.
Design and Application of Persistent Toxic Substances Information System in Shanghai;
上海市持久性毒害污染物信息系统构建与应用
14.
Investigation of Persistent Toxic Substances in Agricultural Soil of Wuzhong District,Suzhou
苏州吴中区农田土壤中持久性有毒污染物调查
15.
Permanence and Global Attractivity of a Non-autonomous Food-chain System with Infinite Delay and Feedback Control
一种非自治捕食链系统的持久性与全局吸引性
16.
Permanence of a kind of non-autonomous eco-epidemic predator-prey system;
一类非自治传染病捕食-食饵系统的持久性
17.
Permanence and positive almost periodic solutions of nonautonomous Lotka-Volterra competitive system;
非自治Lotka-Volterra竞争系统的持久性与正概周期解
18.
Persistence for Two-species Nonautonomous Diffusive Lotke-volterra Model;
非自治扩散的两种群Lotka-volterra模型的持久性