某独立基础X向的尺寸为1500，Y向的尺寸为2000，底板配筋集中标注为“B：X 10@200 Y12@200”， 一个独立基础下料时，X向的10要下多少根？https://edu-image.nosdn.127.net/231089C118D2420C2181AA76D44595DC.png?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/231089C118D2420C2181AA76D44595DC.png?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/231089C118D2420C2181AA76D44595DC.png?imageView&thumbnail=890x0&quality=100
举一反三
- 下列图片反映的共同主题是 三元里抗英 致远号撞向敌舰 义和团抗击八国联军https://edu-image.nosdn.127.net/1620C0E6AFD094E8FD6C400F85F5E239.jpg?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/EBBF68A946C000661CA2858E3E58764F.jpg?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/A3B51C26F0EB32A59576D7DD911A89BE.jpg?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/859A7A29F23FAF8E0BD0DA37CC361B52.jpg?imageView&thumbnail=890x0&quality=100
- 一个炔烃，分子式为，被氧化后，生成一种羧酸和，则这个化合物是。https://edu-image.nosdn.127.net/F1B5FF66EF3BF1B1B96AA9C6D0B8DA40.png?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/89A46112728ECF9C17813F3421EB752B.png?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/3CE7014CC41E9C98C9E669EB4E8AA352.png?imageView&thumbnail=890x0&quality=100
- 的相位超前的45°电角。https://edu-image.nosdn.127.net/03CCBF374F7B1BF03CF7C3B3A22B8A5A.jpg?imageView&thumbnail=890x0&quality=100https://edu-image.nosdn.127.net/C64C02D59A2E184D388D4BC10DE1A688.jpg?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 设某线性电路的单位冲激响应为https://edu-image.nosdn.127.net/42740C7A893EA027EAD1C3A530168119.png?imageView&thumbnail=890x0&quality=100，https://edu-image.nosdn.127.net/CADBA465555ED9687047E00106605E87.png?imageView&thumbnail=890x0&quality=100为输入，则https://edu-image.nosdn.127.net/7DBA57BE4DE0D6ECEEDFBE27B38EBAA7.png?imageView&thumbnail=890x0&quality=100是系统的（ ）响应。
- 中国大学MOOC:"https://edu-image.nosdn.127.net/2210E34FBC6594FE4A660119C4F162B6.png?imageView&thumbnail=890x0&quality=100中R(x,y)中的y为________。";