The combined ingredients are extruded into pellets of different sizes and densities to suit the feeding behavior of different types of cultured fish 混合的原料经压缩或膨化，制成不同大小及密度的颗粒，以配合不同养鱼种类的食性。
This control strategy is not well understood due to a lack of experimental data , especially under natural conditions 浮游动物和一些滤食性的贝类在水体中与赤潮生物共存，并能以这些赤潮生物为食，是具有明显赤潮治理功效的生物控制剂。
At the same time , the application of plastics , film coating , edible film binder and etc , were elaborated correspondingly according to its peculiar natures 同时根据它独具的特性，在塑料、涂膜剂、可食性薄膜等应用方面作相应的阐述。
Bivalve shellfish such as scallops , clams , mussels , oysters , fan shells are commonly involved since they are filter - feeders and ingest toxic algae in water 带子、蚬、青口、蚝、扇贝等双壳贝类，通常是造成贝类中毒的媒介。这是因为它们是滤食性生物，容易摄取水中的毒藻。
The morphological baits , distribution and population dynamics , habitat and feeding , grouping and migration , social behaviors , and breeding of pantholops hodgsoni were reviewed in the paper 摘要综述了藏羚的形态学特征、分布与种群动态、生境与食性、集群与迁徙以及社群行为与繁殖等。
To free ourselves from animal instincts and appetites , which keep us down , we should begin at the very root from which we spring : we should effect a radical reform in the character of the food 要让我们免于具有下堕的动物天性与食性，我们必须从最根本开始：即，我们必须在食物的选择上做彻底的改变。
Excessive rainfall and increasing plant hoppers are threatening china ' s rice crop , and 1 . 2 million hectares of paddy field have been invaded in south china , up 40 percent over the same last year 今年中国的水稻遭受着过多的雨水及越来越多的植食性昆虫的危害.南方已有120公顷的稻田遭受到破坏,比去年同期增长40 % 。
Excessive rainfall and increasing plant hoppers are threatening china ' s rice crop , and 1 . 2 million hectares of paddy field have been invaded in south china , up 40 percent over the same last year 今年过多的雨水及越来越多的植食性昆虫正在威胁着中国的水稻，中国南部已有120公顷的稻田受到破坏，比去年同期增长40 % 。
Excessive rainfall and increasing plant hoppers are threatening china ' s rice crop , and 1 . 2 million hectares of paddy field have been invaded in south china , up 40 percent over the same last year 今年过多的雨水及越来越多的植食性昆虫正在威胁着中国的粮食生产，中国南部已有120公顷的稻田遭受到昆虫袭击，比去年同期增长40 % 。
These products are nutritionally complete feeds with high palatability , better water stability , high digestion and absorption utilization ratio , which ensure fast growth , high disease resistance and low feed coefficiency 具有诱食性好、水中稳定性佳、营养全面、易于消化吸收等特点，摄食后，生长快、抗病力强、饲料系数低。
