| 1. | The diameter of mars is slightly over half that of the earth .
火星的直径比地球的半径稍大些。 |
| 2. | Standard test method for determining the l d ratio of neutron radiography beams
中子射线照相束长度直径比测定的标准试验方法 |
| 3. | [ 4 ] the trim exponents vary with the fluid viscosity and impeller diameter ratio at same time
( 4 )切割指数同时随着切割后的直径比和液体粘度变化而变化。 |
| 4. | The diameter of the star betelgeuse is more than a quarter the size of our entire solar system
猎户座中的一等星的直径比我们整个太阳系直径的四分之一还要大。 |
| 5. | They are hoop - shaped drums with a diameter that is much greater than the depth of their shell
简单来说只要鼓面的直径比鼓框的深度大或两者相等，均可称为框架鼓。 |
| 6. | Objective : to study the influence of head - neck ratio and implant position on the range of motion ( rom ) after total hip arthroplasty ( tha )
摘要目的：探讨不同股骨头颈直径比和髋臼安置方位对人工全髋关节活动范围的影响。 |
| 7. | Standard ( conventional ) port balls are up to one pipe size smaller than nominal pipe size , but still have significantly better flow than globe valves
标准（常规）流道球阀用于管道直径比管道公称通径小的管道，但是其流通能力仍然比截止阀好得多。 |
| 8. | By such means as changing the diameter ratio of the box and pipe and the volume of the stable pressure box , the effect of the box in different situations is contrasted
通过改变稳压箱阻尼管的直径比、稳压箱的容积等方法，比较了稳压箱在几种不同情况下的稳压效果。 |
| 9. | Method : in this study the author established a three - dimensional computerized model of hip joint and tested the range of motion of three different head - neck ratio after total hip arthroplasty
方法：应用计算机模拟技术建立人工全髋关节三维计算机模型，模拟测试三种不同头颈直径比全髋假体在体外不同安置方位的活动范围。 |
| 10. | Result : range of motion after total hip arthroplasty depended on design parameters such as head - neck ratio , but also on the implantation parameters such as the cup ' s inclination and antevertion , the stem ' s antevertion and their combination of each other
结果：全髋关节置换术后的活动范围不仅取决于假体设计的某些参数，如头颈直径比，还取决于假体安置的某些参数，如臼杯的外展角和前倾角，假体柄的前倾角，以及臼杯和柄的相互方向等等。 |
