For high tolerance parts, a sintering part is put back into a die and repressed. In genera this makes the part more accurate with a better surface finish.
对较大公差的零件，烧结后可放回模具重新挤压。一般而言这会使零件更精确同时具有更好的表面光洁度。
Perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic mammals in genera seem to sleep very little.
有迹象表明，这两种类型的睡眠，有梦和无梦的，在很大程度上取决于动物的生活习惯，食肉动物在统计上是更容易做梦超过猎物，依次更加有可能经历无梦的睡眠。
If it is to reflect its evolutionary origins (as taxonomists would prefer) the genus needs to be divided up into many more smaller genera in which the species have similar characteristics.
如果一个物种是从进化源头一步步进化过来的(分类学家们这么认为)，总属分化出来的各个分属里的物种应当具有相同的特征。
应用推荐