The locally asympoticl stability of a two-species competitive system with optimal harvesting and cannibalism;
带收获和自食的两种群竞争系统局部渐近稳定性
Stabilizing Effectof Cannibalism on a Structured Competitive System;
具有阶段结构的竞争系统中自食的稳定性作用
Periodic Solution of a Predator-prey System with Stage-Structure and Cannibalism
具有自食和阶段结构的捕食系统的周期解
Food selection is one of the main research contents in nutritional ecology of ruminants.
食物选择是反刍动物营养生态学的重要研究内容之一。
The progress of foraging behavior ecology of nonhuman primates based on the research motheds,food selection strategy and human activities on the impact of animal behavior are introduced.
从食物选择研究方法、食物选择策略机制、觅食行为的影响因素等方面综述非人灵长类动物觅食行为生态学研究进展。
Research advances in diet selection mechanisms of grazing herbivores;
放牧家畜食性选择机制研究进展
Intake mass and diet selection are important components of animal foraging behavior, which can describe animal s grazing efficiency or currency.
在松嫩平原羊草草地 ,通过控制放牧实验对山羊的时限采食量和食性选择进行了研究。
We carried through primary research of foraging behavior and diet selection of sheep and foraging strategies under foraging sequences in plots with different species richness through measure of grassland vegetation and observing and recording foraging behavior of herbivores.
本研究在松嫩平原以羊草(Leymus chinensis)草甸放牧系统为研究对象,通过对草地植被进行测定,并观察记录放牧家畜的采食行为,对不同物种丰富度绵羊的采食量和食性选择以及不同时序绵羊采食策略进行了初步研究,旨在为草食动物与植物互惠理论、生态系统稳定性理论提供实验支持,并为生产实践中草地建设和管理提供决策依据。
3%~100% in beast food selection test, and 71.
选食试验 ,用 RPA处理的种子保存率达 78。
The development of feeding organs and digestive tract as well as food selection in different stages are studied.
本文研究了黄颡鱼早期发育阶段摄食和消化器官的发育特征、食物组成及其选食性。
serve yourself and pay a cashier.
自选食物将钱付给出纳员的一种餐厅。
in-the-line service
自取菜馆(消费者持盘自选菜点食物后计价付款)
Food Habits and Habitat Selection of Five Carnivores in Saihanwula Nature Reverse;
赛罕乌拉自然保护区5种食肉目动物食性和栖息地选择的比较
Many people today make choices about their eating habits based on what they believe.
如今许多人根据自己的信念选择饮食习惯。
There used to be a variety of foods at choice in that cafeteria.
那家自助餐馆以前有各种各样的食品可供选择。
In other references, the more common reference will be to supermarket or grocery product categories.
在其它的参考中,最普通的是自选市场或食品杂货店的产品目录。
We have vending machine here. You may choose some drinks and snacks as will.
我们这里有自动售货机,内设有饮料和一些小食品,您可以任意挑选。
When mice are faced with many different foods to choose from, they too cannot help but overeat.
当老鼠面对各种食物可以自主选择时,它们也会忍不住吃得过多。
Keep a record of what you eat and you'll probably start eating more wisely.
记录下自己每天的饮食,你可能就会更为明智地选择用餐。
Comparison of Spring Foraging Habitat Selection of Five Species of Cranes in the Tumuji Nature Reserve;
图牧吉自然保护区五种鹤春季觅食生境选择比较
The Study on Habitat Selection and Feeding Ecology of Masked Palm Cievets in Hubei Houhe Nature Reserve;
湖北后河自然保护区果子狸栖息地选择与觅食生态学研究
Political Economics of Multi-objectives and Transition Strategies--An Empirical Study about China s Reform of Grain Sector;
多重政策目标与转轨策略选择——来自中国粮食部门的经验
Others manage quite well by making a judicious selection of foods and by taking small helpings.
另外一些人,则设法精心选择自己的饮食,限量食用,这个办法就很成功。
Though world-class training including a superior diet for participants from developed countries is a definite advantage for them,
虽然世界级的训练(包括提供精致的饮食给来自己开发国家的选手)对选手绝对有益,
A meal at which guests serve themselves from various dishes displayed on a table or sideboard.
自助餐客人们自己动手选择放在桌上或餐具柜上的各种食物的用餐
SmorgasBord- a Buffet meal that is for you to drink and eat at will.
任饮任食——自助餐。
a self-imposed diet, exile
自愿的节食、 自我流放.
Choose high fibre, lower-fat foods.
选择高纤维、低脂肪食物。
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