| 1. | It has high hardness and better characteristics
呈白色，硬度比棕刚玉略高，韧性较低。 |
| 2. | Xiuyan topaz is the serpentine jade , the hardness is lower than the nephrite
岫岩黄玉为蛇纹石玉，硬度比和田玉低。 |
| 3. | Black colour , its hardness is higher than that of wa , its toughness is a bit lower
黑色，有光泽，硬度比白刚玉高，韧性较低。 |
| 4. | Hardness ratio factor
硬度比系数 |
| 5. | Rubber stretches very easily compared with copper ， it is much less stiff than the metal
译文：橡胶比起铜来，极易拉伸，其硬度比铜差的多。 |
| 6. | The average level of surface ' s micro - hardness enhanced 3 times in contrast of the substrate ' s
结果表明：合金化层组织形态为细小的枝晶，明显优于基体组织；合金化层平均硬度比基材提高3倍。 |
| 7. | 3 , the floor is the plant crude fiber structure , its nature hardnessover 100 higher than the wood , which is not easy to distort , the service life is not less than 20 years
地板为植物粗纤维结构，它的自然硬度比木材高一百多倍，不易变形，使用寿命不小于20年 |
| 8. | Although harder than gp steel grit , gl also loses its sharp edges during shotblasting and is particularly suited to descaling and surface preparation applications
尽管此类钢砂的硬度比gp钢砂要高一些，但在喷砂过程中仍会失去棱角，特别适合于钢材表面驱除氧化皮预处理作业。 |
| 9. | Although harder than g1 steel grit , g2 also loses its sharp edges during shotblasting and is particularly suited to descaling and surface preparationg applications
尽管此类钢砂的硬度比g1钢砂要高一些，但在喷砂过程中仍会失去棱角，特别适合于钢材表面去除氧化皮预处理作业。 |
| 10. | The hardness of the parts made of composits was higher than that of the parts made of the matrix alloys . but the hardness of both kinds was higher than their ingots respectively
复合材料压铸件的布氏硬度比基体合金压铸件的布氏硬度高，两类压铸件的布氏硬度分别高于相应铸锭的布氏硬度。 |
