首先，研究者发现了一种对螨虫具有抵抗力的蜂群，将这种蜂群的蜂王置于新的蜂房中，并对它们进行更为严酷的疾病考验，经过一代又一代的筛选，存活下来的新品种的抵抗能力将越来越强。
The queens taken from these hives are then placed in new hives, exposing them to even more "disease pressure." The theory is that each generation of survivors will be hardier than the last.
银杏叶胶囊是一种新品种、新剂型的中成药，副作用少。
Ginkgo capsule, one of the Chinese patent drugs, is a new product in new form with few side effects.
从海洋绿藻孔石莼中分离到一种凝集素基因序列，为培育抗病虫作物新品种提供了新资源。
A novel lectin gene sequences isolated from Ulva Pertusa L., a kind of the Marine green alga, would play potential use in the breeding of new crop varieties against plant diseases and insect pests.
食品添加剂金医生牌天然碳酸钙是我国食品添加剂新品种，是一种新的钙营养强化剂。
The food additive, Golden Doctors natural calcium carbonate, is a new variety of food additive in our country. It is a new kind of calcium nutritional supplement.
同时，也为综合评价作物新品种找到一种新的方法。
In addition, a new method for finding new crop variety with multifactorial evaluation wa found.
开发出一种能够在美国栽培的新品种将减少美国对外来产品的依赖性，而且也会提供给美国农民一种新的可选择性作物。
Developing a new variety that could be cultivated in the United States would reduce American dependence on foreign products while creating a new alternative crop for American farmers.
商店里的货物常推陈出新，超市里过几天就摆上一个新品种，连麦当劳来到新加坡也学会了过一阵子就换一种新的促销方法。
In supermarkets, new brands and models arrive on to the shelves every now and then. Even the McDonald's outlets here have taken to new gimmicks that change from time to time.
商店里的货物常推陈出新，超市里过几天就摆上一个新品种，连麦当劳来到新加坡也学会了过一阵子就换一种新的促销方法。
In supermarkets, new brands and models arrive on to the shelves every now and then. Even the McDonald's outlets here have taken to new gimmicks that change from time to time.
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