您要查找的是不是:
- Commercial pollen collection has been possible only since the invention 35 years ago in France of an ingenious trap, consisting of a metal flap with holes in it, which is installed at the hive entrance. 商业上的花粉采集成为可能,仅仅是35年前在法国发明的一种精巧的花粉收集装置。这种装置由一个带有一些小孔的金属片组成,安置在蜂箱的蜜蜂入口处。
- The viability and storage time of the pollen collected from three species of Syringa were studied. 对紫丁香、白丁香、花叶丁香三种丁香花粉进行了生活力测定和贮藏性研究。
- The second step is to establish a series of pollen collecting stations on four transects running different directions from the source tree. 第二步是从离开夹源树四个不同方向的断面上建立一系列的花粉收集站。
- As the bees squeeze through the holes on their return from a pollen collecting trip, they are forced to drop the pellets, which are collected in a tray. 工蜂们外出采集花粉回来挤入这些小孔时,不得不丢下自己携带的花粉丸。这些花粉丸就被收集在一个托盘里。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- Study on the pollen collected by bees 蜂花粉系列研究
- I must admit I am very fond of collect rare book. 我得承认我很喜欢海内珍本。
- It cost me 100 dollars to collect the stamps. 收集这些邮票花了我一百块钱。
- She always stay cool, calm and collect in a crisis. 她在危难时总是很冷静、镇定如常、泰然自若。
- His collection of paintings is the most impressive. 他的绘画收藏令人叹为观止。
- Stamen is in the middle of a flower and may produce pollen. 雄蕊长在花的中央,能产生花粉。
- No, but I like to collect stamps and coins. 不,但我喜欢收集邮票和钱币。
- Under water stress treatments, the viability and storability of pollens collected from 3 varieties (Kau, Pahala and O.C.) of Macadamia were studied. 采集经不同水分胁迫处理的澳洲坚果植株的花粉进行生活力测定和贮藏性研究,结果表明,新鲜花粉生活力随贮藏时间增加而下降。
- It's a collection of Chinese jade. 这是收藏的一批中国玉器。
- The council is responsible for refuse collection. 市政局负责清除垃圾废物。
- A collection will be made for the fund. 为筹措该基金将举行一次募捐。
- You are invited to view our autumn collection. 您被邀请参观我们的秋季时装展览。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石,如花粉粒或单细胞有机体的化石
- She selected a diamond ring from the collection. 她从收藏品中挑选了一枚钻石戒指。
