Apples come in a great many varieties.
苹果的品种繁多。
It's difficult to differentiate between the two varieties.
这两个品种很难辨别。
Certain varieties cannot be fertilized with their own pollen.
某些品种不能自花授粉。
Some seed varieties germinate fast, so check every day or so.
有一些品种的种子发芽快，所以差不多每天都要察看一下。
The silver-leaved varieties of cyclamen are not quite as hardy.
银色仙客来品种不是十分耐寒。
有很多种类。
In ten days we collected over 100 varieties.
十天之中，我们采集到一百多个品种。
There is an urgent need for new crop varieties.
迫切需要新品种的作物。
Other varieties of multigenerational family are more common.
其他种类的多代同堂家庭更为常见。
Wheat varieties that Borlaug worked with had tall, thin stalks.
博洛格研究的小麦品种有又高又细的茎。
Will it split into varieties that become less mutually intelligible?
它会分裂成不同的变种，变得不易相互理解吗？
There are also varieties developed to suit specific local conditions.
还有一些品种是为了适应当地的具体情况而开发的。
As an EU-funded effort, the search for salt-tolerant varieties of rice is taking place in all three countries.
作为欧盟资助的项目，此项针对盐分耐受稻米品种的研究正在这三个国家展开。
More important for our discussion, wetland areas support a lot more varieties of life than swiftly flowing water.
更重要的是，湿地地区，与流动的水域相比，能供养更多种类的生命。
Scientists believe that over the past century, we have allowed more than half of the world's food varieties to disappear.
科学家们认为，在过去的一个世纪里，我们已经让世界上超过一半的食物种类消失了。
Greens attacked him, saying his new varieties used too much water and costly chemical fertilizer; his link with DuPont was noted.
环保主义者攻击他，说他的新品种使用了太多的水和昂贵的化学肥料；人们注意到他与杜邦公司的关系。
They found that longer residence correlated with more adoption of improved plant varieties but less adoption of chemical herbicides.
他们发现，居住的时间越长，采用的改良植物品种越多，而使用的化学除草剂越少。
Borlaug's new semi dwarf, disease resistant varieties, called Pitic 62 and Penjamo 62, changed the potential yield of Mexican wheat dramatically.
Borlaug新型半矮秆抗病品种，被称为Pitic 62和Penjamo 62，极大地改变了墨西哥小麦的潜在产量。
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