sustenance

用法例句

Some strategies for excess sludge reduction were reviewed,such as lysis-cryptic growth,uncoupled metabolism,maintenance metabolism and biological predation.

总结了近年来国内外在剩余污泥减量化方面的研究进展,介绍了溶胞-隐性生长、解偶联代谢、维持代谢和生物捕食等原位剩余污泥减量的理论与技术,分析了各种污泥减量技术的特点及其应用情况,并指出了目前剩余污泥减量技术存在的问题和需要进一步研究的工作。

The predatory chain in which successively larger organisms feed on smaller ones.

较大型生物捕食较小型生物从而在生物界形成持续不断的捕食链。

Qualitative analysis of a prey-predator system;

一类捕食与被捕食生物系统的定性分析

The capturing of prey as a means of maintaining life.

捕食为生以捕获猎物作为维持生命的方式

any animal that lives by preying on other animals.

靠捕食其它动物生活的动物。

This animal feeds off smaller animals.

这种动物以捕食比较小的动物为生。

living by preying on other animals especially by catching living prey.

靠掠食其他动物生活特别是靠捕食活猎物。

Some animals hunt by instinct.

有些动物天生有捕食的本能。

Studies on Biology and Predacious Function of Euseius Finlandicus;

芬兰真绥螨生物学及捕食功能的研究

Control of A Class of Biomathematic System with Three Species of Predators and Preys by the Method of Neural Network-Based H_∞ Control;

三种群捕食与被捕食生物方程基于神经网络的H_∞非线性控制

the attractiveness of laboratory-grown microbes as a food source for predators such as soil protozoa

实验室微生物作为捕食者(如土壤原生动物)的食物来源

Of or involving the feeding habits or food relationship of different organisms in a food chain.

生物食物链食物链中不同生物的捕食习惯或食物关系的，或涉及于此的

Studies on Biological and Ecological Characteristics and Predacious Function of Sphedanolestes Impressicollis;

环斑猛猎蝽生物学、生态学特性及捕食功能研究

Function of predatory mite and approach of its industrialization

捕食螨在生物防治中的作用及其产业化探索

Studies on Biology and Predacious Function of Calosoma Maximoviczi Morowitzi;

黑广肩步甲生物学特性及捕食功能研究

Biological Characteristics Comparison of Two species of Nematode--trapping fungi;

两种捕食线虫性真菌菌株的生物特性极其比较

Study on Biology and Predacious Function of Adalia Conglomerata Linneaus;

团聚丽瓢虫生物学特性及其捕食作用的研究

Effect of Protozoan Predation on Nitrification Performance of SBRs Operated at Short SRT

原生动物捕食对低污泥龄SBR硝化性能的影响

Analysis & Studies on the Predator-Prey System s Dynamics with Population s Diffusion and the Influence on Biodiversity;

扩散对污染斑块上捕食—食饵种群生存及生物多样性的影响