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多处理机机间互连一般有总线、环形互连、()、()和开关枢纽等几种方式。
试问,梁跨中弯矩基本组合设计值M(kN·m)、标准组合设计值(kN·m)、准永久组合设计值(kN·m)分别与下列何项数值最为接近?( )
Shopping habits in the United States have changed greatly in the last quarter of the 20th century. (1) in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was (2) on both sides with many (3) businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. (4),some shops offered (5) .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. (6) in the 1950s, a change began to (7) .Too many automobiles had crowded into Main Street (8) too few parking places were (9) shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces (10) the city limits. Open space is what their car-driving customers needed. And open space is what they got (11) the first shopping centre was built. Shopping centres, or rather malls, (12) as a collection of small new stores (13) crowded city centres. 14 by hundreds of free parking space, customers were drawn away from (14) areas to outlying malls. And the growing (16) of shopping centres led (17) to the building of bigger and betterstocked stores. (18) the late 1970s,many shopping malls had almost developed into small cities themselves. In addition to providing the (19) of one stop shopping, malls were transformed into landscaped parks, (20)benches, fountains, and outdoor entertainment. 请在10处填上正确答案()
肝胆胰CT检查口服稀释阳性对比剂的目的是()
诗句“晚来唯有两枝残。”咏的是什么花?
在功能层次上,ERP不仅包括最核心的财务、分销和生产管理,还包括了人力资源、质量管理、决策支持等企业其他管理功能
当斑马群遇到狮子攻击时,常常头向里,尾向外围成一个圆圈,后蹄不停地跳动,这种行为属于()行为。
列车中相互联挂,其车钩的高度差不得超过85mm。
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将组成一帧图象的像素,按顺序转换成电信号的过程称为()。
什么是混凝土结构耐久性?如何进行混凝土结构耐久性设计?
混凝土碳化作用一般不会直接引起其性能的劣化,对于素混凝土,碳化还有提高混凝土耐久性的效果。
混凝土的抗冻性是混凝土受到的物理作用()的一方面,是反映混凝土耐久性的重要指标之一。
混凝土中由于水泥水化产物呈碱性,故混凝土也呈碱性,而混凝土的碳化,使混凝土碱性降低,渐成中性,故碳化后,对提高耐久性是有益的
何谓混凝土的耐久性?混凝土的耐久性包括哪些内容?如何提高其耐久性?
为保证混凝土的耐久性,在混凝土配合比设计中要限制()和()
为保证混凝土耐久性,在混凝土配合比设计中要控制()。
混凝土进行捣固以使混凝土具有良好的(),从而满足设计强度和耐久性等各项指标的要求。
为保证混凝土的耐久性,用于混凝土的砂、石骨料()。
为保证混凝土的耐久性,混凝土的水泥用量要求()。