今天，喜福会的阿姨都穿着宽松的长裤，配着鲜艳的女式花衬衫和各式各样的硬底拖鞋。
The Joy Luck aunties are all wearing slacks, bright print blouses, and different versions of sturdy walking shoes.
当你计划在院子里给鸟类提供一个长期的饮用水源时，你应该将它设计成最易于为鸟类所适应的——它应该是浅的、具有粗糙硬底的静水。
When you are devising a long-term water source for your garden, plan for the type of water feature that birds adopt most quickly: a shallow, rough-bottomed pool of still water.
九月底，第一份硬数据出现。
目的测试与分析人硬脑膜及其替代物的生物力学特性，为选择理想的颅底缺损重建材料提供依据。
Objective to investigate the biomechanical characters of human dura and its substitutes and to establish guidelines for selection of optimal repair materials for reconstruction of skull base defects.
硬橡胶外底，改良网线格式，牵引效果最大。
Hard rubber outsole, improved reticle format, drawing effect is the biggest.
运动：日本石英，30米防水，不锈钢，硬矿物晶体和不锈钢底盖带：弹簧钢。
Case: Custom 30 meter stainless steel, with hardened mineral crystal, and stainless steel caseback.
张双楼煤矿主采煤层为7煤和9煤，两层煤之间赋存唯一一层厚硬岩层，即9煤层的直接顶也是7煤层的直接底。
The hard-and-thick strata ACTS both as the floor of coal seam No. 7 and as the roof of coal seam No. 9 in Zhangshuanglou coal Mine; and coal seam No. 9 is also hard.
用途：甲基三乙氧基硅烷是一种重要的有机硅偶联剂、交联剂、塑料硬涂层的底涂剂、憎水剂。
Application: It is an important crosslinking agent, coupling agent, water-repellent agents, mainly used in two-parts room temperature vulcanizing silicon rubber as a cross-linking agent.
用途：甲基三乙氧基硅烷是一种重要的有机硅偶联剂、交联剂、塑料硬涂层的底涂剂、憎水剂。
Application: It is an important crosslinking agent, coupling agent, water-repellent agents, mainly used in two-parts room temperature vulcanizing silicon rubber as a cross-linking agent.
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