陆龙卷中心的地面气压如图7.26所示.The surface pressure at the centre of the tornado is shown in Figure 7.26.水龙卷和冰雹偶有出现, 降雪和陆龙卷则属罕见.Waterspouts and hailstorms occur infrequently , while snow and tornadoes are rare....
We'll ignore the continuity constrains.我们往往忽略连续约束条件.The example that ultimately drove home the distinction between continuity and differentiability was given by him.最终讲明白连续性和可微性之间的区别的例子是由他给出的.It has four traits: col...
The Great Wall is one of the sights of the world.长城是世界名胜之一.Have you ever visited the Great Wall in your life?在你一生中,你参观过长城 吗 ?The Great Wall dates from the third century B.C.万里长城建成于公元前三世纪....
We were working on the eleventh floor.我们在11层办公。Early in the eleventh century the whole of England was again conquered by the Vikings.11世纪早期，整个英格兰再次被北欧海盗征服。He postponed his trip at the eleventh hour.他在最后时刻推迟了行程。Real tenni...
小鼠中的H -2 同种抗原是最强的组织相容性抗原.In mice the H - 2 isoantigens are the strongest histocompatibility antigens.小鼠肾小管的发育需要有两种分化的细胞.The development of mouse kidney tubules requires two kinds of differentiated cells.他用煤烟提取物诱发了小鼠皮肤癌.H...
Carpet tiles are perfect for kitchens because they're easy to take up and wash...方块地毯非常适用于厨房，因为其便于揭起来清洗。Semi flexible tiles 2.00 mm thick 12 inch square to spec EN 654 Colours required greys and beiges.半柔性瓷砖2米厚,12平方...