您要查找的是不是：
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- Experimental results showed that Carbon/Glass hybrid could increase the impact toughness,while Carbon/Kevlar hybrid could increase the toughness index. 若将玻璃纤维(G_纤)或Kevlar纤维(K_纤)代替部分碳纤维,即制成C/G,C/K混杂复合材料,在不太损失其它性能的前提下可以大大提高CFRP的冲击韧性[1][2]。 实验证明,混杂化是改善CFRP韧性的一个切实可行的途径。
- Measurement of toughness index(TI) and thermal toughness index(TTI)of synthetic diamond is an efficient way to test the performances of diamond. 人造金刚石的冲击韧性(TI)及其热冲击韧性(TTI)的测定是检验金刚石性能的重要方法,但目前我国金刚石冲击检测在各企业没有一个统一的标准。
- Most crystals are hexahedrons &octahedrons.With complete crystal forms, the products have higher static pressure strength and toughness index values. 晶体多为六-八面体，晶形完整，强度较高，冲击韧性值较高。
- The effects of glass fibers in chopped and continuous forms on the flexural strength, impact strength and toughness index are studied in this paper. 本文对短切、连续布置的玻璃纤维对氯氧镁水泥抗弯强度、抗冲击强度、韧性指数的影响进行了研究。
- Based on the comparison of ASTM-C1018 and JSCE-SF4 toughness analysis methods,a new toughness index of the fiber reinforced concrete is defined by Nemkumar. 通过与ASTM-C1018和JSCE-SF4两种韧性分析方法的比较,Nemkumar等定义了新的纤维混凝土韧性指标。
- He'll never pay up unless you get tough with him. 你对他态度强硬，他才会还清债务。
- You need to be tough to survive in the jungle. 要在丛林中活下来就要有坚忍不拔的意志。
- This tube is flexible but tough. 这管子柔软但很坚固。
- The company faces tough competition. 这家公司面临着艰难的竞争。
- Most crystals are regular hexahedrons &octahedrons.With complete crystal forms, the products have higher static pressure strength, toughness index and good thermal toughness index. 晶体多为正六-八面体，晶形完整，透明度好，具有较高的静压强度、冲击韧性和热稳定性。
- Conditions are rather tough here. 这里条件比较艰苦。
- Results showed that the flexual strength and the flexual toughness index of UHPC become more than 2 times and 10 times respectively of those 0f the matrix concrete by the reinforcement of fibers. 结果表明通过纤维的增强和增韧作用，超高性能混凝土的抗弯强度和弯曲韧性指数分别提高到2倍和10倍以上。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- She won't last long in that job it's too tough. 她做那件工作坚持不了多久--那工作太困难。
- Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
- It's time to get tough with football hooligans. 现在该对足球迷小流氓采取强硬措施了。
- He lives in a tough neighborhood. 他住的地区邻里非常粗野。
- A spell of tough luck discouraged us. 一阵坏运气令我们大为沮丧。
- This material is as tough as leather. 这料子像皮革般坚韧。
