1. Must guarantee that astronaut's safety, it needs the gentler descent trajectory, slower rate of descent, as well as more complex control system. 要保证航天员的生命安全，它需要更平缓的下降轨道，更慢的下降速度，以及更复杂的控制系统。
2. People uses 4 decorative thread commonly on metope previously: The shade horn line, line that hang lens (picturesque scene line) , lumbar line and the line that play a base. 以前人们在墙面上一般采用四道装饰线：阴角线、挂镜线（画镜线）、腰线和踢脚线。
3. We supply all kinds of steel mill finish line equipments such as slitting line , recoil trimming line, tension level line , cleaning line, steering equipments for EPC and CPC. 本公司承制冷轧钢厂各式各样生产设备，如：分条机，清洗机，修边机，钢带纠偏机（EPC，CPC），张力整平生产线，钢带重捲生产线。
4. As pile work on line phase and inflexibility of pile's top is very large, earth's descent under the slab is very little more less than the necessity of letting earth bring into action. 由于基桩工作于线性段，桩顶刚度很大，致使承台底土沉降很小，远小于地基土发挥作用所需的变形。
5. Kinship group based on actual or purported descent from a common ancestor, as traced through the male (patrician) or the female (matriclan) line. 许多社会结构中重要的基本亲属群体。一个氏族的成员可以实际上或名义上是一个共同祖先的后裔。
