This paper analyzes the physics of a j×B driven scheme with a two dimensional simulation of the ion collection.
研究了该方法的物理模型 ,并用数值计算方法进行了二维离子收集模拟 ,给出了各个参数对收集时间的影响。
Organizers say the project will“ rescue” seed s' collections in developing countries where many gene banks are in poor condition.
组织者称这个项目将在发展中国家援助种子收集活动，这些国家多数的基因库都运转地不好。
The orchardist gave little thought to the logistics of harvesting the crop.
种子园经营者很少考虑到收集种子的勤务工作。
Their workers gather seeds and store them underground.
他们的工蚁收集种子储存在地下。
The aim is to collect seeds or reproductive material from 165000 varieties of the crops.
其目的是从165种作物中收集种子和繁殖材料。
The aim is to collect seeds or reproductive material from one hundred sixty five thousand varieties of the crops.
此项目的)目的是从165,000种农作物中收集种子或繁殖物。
a structure in which water is collected.
一种收集水的建筑物。
seek information from various sources
从各种来源收集情报
That which is gathered or amassed; a collection or an accumulation.
收集物被收集或聚集的东西；一种收集物或获得物
collection angle
收集角 -二次离子质谱术
a perforated tube driven into the ground to collect water from the surrounding area.
一种被放在地下从周围地区收集水的便携式管子。
Collection, Evaluation, Selection and Breeding of Salvia Miltiorrhiza Bunge Varieties;
丹参种质资源的收集评价与品种选育
Determination of Gold and Gallium by Atom Trapping-Flame Atomic Absorption Spectrometry
原子捕集-火焰原子吸收法测定金和镓
the collecting of bottles.
搜集各种各样的瓶子。
Miscellaneous items or written works collected together.
杂集各种各样不同的项目或作品被收集在一起
A diverse assortment or collection.
五花八门的聚合种类众多的集锦或收集物
Great areas could be quickly planted and harvested collectively.
大片土地可以很快地集体耕种，集体收获。
Others need only a special vibrator to collect sperm; insemination of their partners can be done with a syringe in private, at home.
其他仅需要一种特殊的振动器来收集精子；可以在家里用一个注射器私下使他们的配偶受孕。
The amount of water collected in such structure.
蓄水量在此种容器中的水的收集量