您要查找的是不是：
- nonvoid proper subset 非空真子集
- Of or relating to a set capable of being put into one-to-one correspondence with a proper subset of itself. 无穷集的能与自身的一个子集发生一一对应的集的，与其有关的
- Of or relating to a set capable of being put into one - to - one correspondence with a proper subset of itself. 无穷集的能与自身的一个子集发生一一对应的集的，与其有关的
- There is not an open closed non-empty proper subset in the Rn Rn中不存在既开又闭的非空真子集
- of or relating to a set capable of being put into one-to-one correspondence with a proper subset of itself 无穷集的，能与自身的一个子集发生一一对应的集的，与其有关的
- I advise waiting till the proper time. 我建议等到适当的时候。
- I do not think it's proper for you to behave so. 我认为您这样的举止不合体统。
- It's not proper for you to catch him up very short. 你突然打断他的话是不恰当的。
- She's not at all a proper person for you to know. 她可不是正派人，你不应该结识她。
- She hadn't had a proper holiday for years. 多年来她都没有过真正的假期。
- The company does not take proper fire precaution. 公司未采取正当的防火措施。
- Water is not a proper substitute for wine. 水不是酒的适当代用品。
- The pages aren't in proper order. 这些页数次序不对。
- Recycling is the only proper way. 循环再生是惟一的好办法。
- A set that includes a given and similar set as a subset. 子集包含一个给定的或相似的子集的集合
- If there is a nonempty proper subset A of V(G) such that for any (P,t)-coloring c of G, and for any color class F of c, either F (?) V(G)使得对图G的任一(P，t)-着色c下的任一色类F总有F(?)
- It's hard to get at the spark plug without a proper wrench. 没有一把合适的扳钳，要抓住那个火花塞是困难的。
- I made a proper balls-up of that exam. 那次考试我考得一塌糊涂。
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- Lack of proper food often stunts a child. 缺少适当的食物常常阻碍小孩的发育成长。
