• 2022-06-11
    下面尺寸公差标注正确的有( )
    A:
    B:
    C:
    D:
  • C,D

    举一反三

    内容

    • 0

      下列电极电势最小的是: A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/dad3349a56e84119aff354de027c99e1.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/980bfc83fd624e14ab4d98cc5b6f71dd.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/a54b31ea021644c788a5c687342ced4d.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/8851284b569348549a0a28ded6b2cff1.png"/>

    • 1

      关于单边z变换移位性质正确为()。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/5ba92316b2ec4267b29f78a0768a902b.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/6203fcc7a210423a9d3b99e886ffcd9e.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/64f2fccfd656410f9293ecd0b2bc3245.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/177c36d33ae0450093fb5c373f9c1f76.png" />

    • 2

      根据两视图,找出正确的第三视图<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/17444f15163c4a7b91d08c599bfc9b7b.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c362f1838eca46989c961ea75f0c368c.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/9e483be82cf240fabd5f59390aea3404.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/7abb09c6ac804733917cdba519c3b897.png" />

    • 3

      原电池的电动势越大,表明电池反应的: A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/ce41e17fb8c54c9193c299dd56dfde7c.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/a8285247ca794e3ea203d57be9faea13.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/ab56d1277c724bc1915184441beabfcb.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/e9f34744ef2945cebe45862d9267196f.png"/>

    • 4

      下列谓词公式中,( )是等值的。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/3ad0f562353b4463b9b31a3a773c1153.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/85d2bd83d84b43dc83ba5c1749871d69.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/0b76f52c16ba411f96a0030d91b4f8b9.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/4f1748ea22f049dea7381c3f1171c079.png">