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- effective hardness layer 有效硬化层
- If there had not been a hard layer of rock beneath the soil,they would have completed the job in a few hours. 如果土壤下面没有坚硬的岩石，他们早就在几个小时内完成这项工作了。
- If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours. 如果土壤下面没有坚硬的岩石，他们早就在几个小时内完成这项工作了。
- But the plan, argues Mr Behrman, was cleverly designed and its positive effect hard to overstate. 但是贝尔曼辩解说这项计划设计精细，很难准确评估它的正面效果。
- When the robotic arm first reached that depth, it hit a hard layer of frozen soil. 当机械臂首次达到那个深度的时候，碰到了一层坚硬的冰冻土壤。
- The existence of a relatively hard layer just below the raft can remarkably enhance the load bearing action of raft. 地表硬壳层的存在能够有效地提高筏板的分担作用。
- Inside the tooth, under the white enamel and a hard layer called the dentin, is a soft tissue called the pulp. 在牙齿内部，在白色的牙釉质和（淡黄色）硬质的牙本质下，是被称作牙髓的软组织。牙髓组织中包含了血管、神经和结缔组织。
- The thick cooling hard layer exists on the surface of titanium alloy billet formed under conventional extrusion condition. 钛合金常规挤压时表面存在很厚的冷硬层,导致挤压抗力急剧升高,严重影响坯料成形。
- This paper explicates that applying DEBUG program can effect hard dish backup and recover of information system; applying the recover method can improve security of micro computer system. 阐述了应用debug系统程序对硬盘系统区信息备份与恢复的方法,应用该方法可提高微机系统安全。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- The purpose of French polishing is to blend the hundreds of microscopic layers of shellac into one single, high quality, hard layer of shellac. 虫胶涂装就是要把千百层非常薄的漆形成一个融合的层，这样才会有最好的质量和硬度。
- Heat treated layer, carbonized layer, hardened hard layers, superficial coating, steels, non-ferrous metal, micro and thin shaped components. 热处理、碳化、淬火硬化层，表面覆层，钢，有色金属和微小及薄形零件等。
- The causes are often unknown, specific problems can be difficult to pinpoint, and the long-term effects hard to predict. 造成这种情况的原因往往不为大家所知道，具体的问题可能很难被准确地认识到，这种痛苦对孩子们所造成的日后影响也很难预测。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- When does the new system become effective? 新制度何时生效？
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- If there had not been a hard layer of rock beneath the soil, 如果不是因为土壤下面有一层坚硬的岩石
