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- The fracture surface of specimens with low Si content is mainly quasi-cleavage, and its crack propagation energy is better than the specimens with high Si content. 低硅氩弧焊熔敷金属低温冲击断裂形貌以准解理为主,裂纹扩展功高于断裂形貌主要为解理的高硅含量熔敷金属;
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Keywords different material;weld width;critical crack tip opening angle(CTOA);propagation energy increment; 异种材料;接头宽度;临界CTOA;扩展能增量;
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- As a matter of fact, light is a form of energy. 其实,光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒?
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- Kept the thermostat lower to conserve energy. 减少自动调温机的使用以节约能源
- The need to economize scarce energy resources. 节约使用稀有能源的必要性
- The propagation of animals or plants. 动物的饲养,植物的培植