• 2022-07-23
    正六边形的尺寸标注正确的是( )。
    A:
    B:
    C:
    D:
  • D

    举一反三

    内容

    • 0

      图示有侧移结构,设横梁的水平侧移为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/5b1b0d2260734afd9d372476eccd0a52.png"/>,计算约束状态下杆件的固端弯矩,正确的是( )<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/0bb431e37a424b1f841ad9350d80f241.png"/> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/ef65ff72dc6b4179bee92ce4ff148aad.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/5ca987b52284485a986cb954a09b51a0.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/0c7f5a6de2714ac0bbb5a243d9b8da4b.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/94aab58ed2f94f90af7c4ea00aecf764.png"/>

    • 1

      逻辑函数F (A,B,C)=Σ m (0,1,4,6)的最简与非-与非式为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6677dfd1ca0a4255871fff8d24c1bfe1.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/5556e6fba4d849c988d994a19156d44a.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6f296abd190d40b19f2f737f02c7adca.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/b2bf2478b09b4e6ab818d71adb4a8715.png"/>

    • 2

      下列尺寸标注正确的是( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/79ed6f04ee2f415c917c9f280eccf07e.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/4677ac7155c849bebe9d2ffd7458f4c4.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/489ad68ff6294831bc43fa08990b59b7.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e829c514224942f1926c1823be08d3e7.png">

    • 3

      图中尺寸标注正确的是() A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/c27b2c5bcd5248d2938ff20dcadb3848.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/283d8966e68e476a835df10a7001fa1b.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/99cfc288fcb64fd282a9ad41acac2e70.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/c8163178d3cb46f98f20b4c79e872b18.png" />

    • 4

      下列尺寸标注正确的是() A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/c9b1f998550f46f2954ddb9a6e931917.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/2ebdcfcbd422486e8f52decd4b1f3c91.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/713b97186b2a4602a111ab988359072b.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/d21403f12f034db3b26192a552f8f9c1.png" />