magnitude

1. N-UNCOUNT If you talk about the magnitude of something, you are talking about its great size, scale, or importance. (尺寸、规模、重要性等) 大的程度

An operation of this magnitude is going to be difficult. 一个这么大的手术会很难的。

2. PHRASE You can use order of magnitude when you are giving an approximate idea of the amount or importance of something. 重要级; 数量级

America and Russia do not face a problem of the same order of magnitude as Japan. 美俄两国没有面临与日本同样的重要级别的问题。