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用菲涅耳半波带法可以精确求解出夫琅和费单缝衍射的光强分布函数。
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According to construction types, prepositional phrases such as "in the classroom" is regarded as an/a ( ) construction.
( )refers to a major constituent of sentence structure in a binary analysis in which all obligatoryconstituents other than the subject is considered together.
In the complex sentence, the incorporated or subordinate clause is normally called a ____ clause.
By the relation of ____ one means that words of different sets of clauses may permit, or require, the occurrence of a word of another set or class to form a sentence or a particular part of a sentence.
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