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.
但这招经常很有用，这个公式有时候反过来也可以用，比如你有一个面积分，但是你想，把它变成线积分的时候也可以用的。 。
Butt sometimes it is useful. Sometimes it is also useful backwardS because , actually, you have asurface integral that you would like to turn into a line integral.
这个项目占地面积有2，000平方米，是一个附着有用铁氧化物着色的混凝土的庞然大物，整体以浮雕字母作为装饰。
The project, which covers about 2,000sqm, is a monolith of concrete pigmented with iron oxides, completely decorated with a bas-relief engraved with the letters of the alphabet.
在没有其他有用信息的情况下，三线坐标校正相当于在定位直线中引入了面积约束。
The location region of the source is determined and the trilinear coordinates of the source are corrected by using the constraint on area of triangles.
一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。
A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.
这种现象是非常重要的，因为它与心肌梗死面积，并提供有用的预后信息。
This phenomenon is important because it correlates with infarct size and provides useful prognostic information.
所述多层薄膜提供增大的表面积，并在催化活性与可用来支 承催化剂颗粒的表面面积相关联的装置中尤其有用。
The multilayer films provide increased surface area and are particularly useful in devices where catalyst activity is related to the surface area available to support catalyst particles.
本文探讨了对称性在第二类曲线积分和第二类曲面积分中的应用，给出了一些有用的结论，并举例说明。
On the base of these notions, the second mean valued theorems for the second type curve integral are proved.
本文探讨了对称性在第二类曲线积分和第二类曲面积分中的应用，给出了一些有用的结论，并举例说明。
On the base of these notions, the second mean valued theorems for the second type curve integral are proved.
应用推荐