sheaf
/ʃiːf/ 名词 C2中文： 束、捆、层
- A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw.
- Any collection of things bound together. · a sheaf of paper
- A bundle of arrows sufficient to fill a quiver, or the allowance of each archer.
- A quantity of arrows, usually twenty-four.
- A sheave.
- If two sections over U agree under restriction to every U_i, then the sections are the same.
- Given a family of sections s_i∈ℱ(U_i) such that all pairs (s_i,s_j) agree under restriction to U_i∩U_j, there is a (unique) section s over U whose restriction to U_i is s_i.
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来自图书馆
When Marilla went home Anne came out of the fragrant twilight of the orchard with a sheaf of white narcissi in her hands.
Familiar as I was with my friend’s methods, it was not difficult for me to follow his deductions, and to observe the untidiness of attire, the sheaf of legal papers, the watch-charm, and the breathing which had prompted them.
The young woman turned over a sheaf of counterfoils.
Yet we added one more sheaf to our harvest before we left Woolwich Station.
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