常見例句雙語例句Aimed at the cross of Compound Feed course teaching, summarized the methods and means of innovation capacity training.針對配合飼料學(xué)教學(xué)過程，對創(chuàng)新能力培養(yǎng)的方法和手段進行了總結(jié)。In my opinion, there are three main reason, the low efficiency of compound feed of crab, the poor palatability and the lack of perfect phagostimulant.究其原因，主要是河蟹配合飼料的使用效率不高和適口性較差，缺少理想的河蟹誘食劑。The objective of this study was conducted to determine the activities of digestive enzyme and their effects by compound feed during different growth stages of Portunus trituberculatus.本研究旨在確定三疣梭子蟹各生長階段的消化酶活性變化規(guī)律和配合飼料對消化酶活性的影響。118.145.16.228 返回 compound feed