但是当它坚持一些可实现的、适当的目标时能提供有用的焦点，比如增加海洋中自然保护区的面积。
But when it sticks to achievable, measurable targets, such as increasing the area of nature reserves in the ocean, it can provide a useful focus.
经纱将是最有用的，但“折叠”和“膨胀”是最好的缩小或扩大面积。
The Warp will be the most useful, however "Pucker" and "Bloat" are best for shrinking or expanding the area.
流化床的一大优点在于能产生一个充分混合的具有很大表面积的流体与固体的接触系统，这对高效反应和传热都很有用。
A major advantage of fluidised beds is that they provide a well mixed, high surface area, fluid-solid system which is useful for efficient reactions and heat transfer.
应用推荐