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- In separating breeding,two major indicators,cocoon weight and vitality of tussah were selected. 采用系统分离育种方法,对柞蚕全茧重和生命力两项主要指标进行平衡选择。
- Character of cocoon weight is one of key indices for breeding of the Tussah, Antheraea pernyi. 摘要全茧量性状是柞蚕育种的重要指标之一。
- The above results indicated that we should apply different schemes for selecting cocoon weight for different sex during the process of tussah breeding. 柞蚕育种对全茧量的选择应依据性别采用不同的选择方案：雌个体应强化早期选择；
- This shows that cocoon weight and cocoon shell weight of F1 generation were increased by means of the increase of amount of leaf ingested. 表明F1代全茧量、茧层量的提高是靠食下量的增加而实现的。
- A caterpillar must pass through the cocoon stage to become a butterfly. 毛毛虫必须经过茧的阶段才能变成蝴蝶。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- The children tore the cocoon open to see if there was a pupa. 孩子们撕开蚕茧看看里面有没有蛹。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- The President swings his weight to get laws passed. 总统运用权力使法律获得通过。
- The Research of Gene sch Effects on Healthiness and Cocoon Weight of the Silkworm 家蚕sch基因对健康性及茧重的影响研究
- His opinion doesn't carry much weight. 他的意见没多少影响。
- Bananas are usually sold by weight. 香蕉通常按重量卖。
- A cocoon is a kind of silk covering made by an insect. 蚕茧是由昆虫制造的一种由丝组成的外包层。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- The drunken man was a dead weight in my arms. 这个醉汉在我怀里死沉。
- Doctors cocoon ed the patient in blankets. 医生们把病人紧包在毯子里。
- The dam burst under the weight of water. 那水坝在水的压力下决口了。
- I am afraid I have gained weight. 我想我体重增加了。
