graded difficulty 中文意思是什麼
graded difficulty
解釋
評分難度- graded : 沖淤均衡的
- difficulty : n. 1. 困難；難事，難局，逆境；障礙。2. 異議；爭論，糾葛。3. 〈常 pl. 〉財政困難，（經濟）拮據。
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The texts should be graded in order of difficulty.
課文要按難易程度編排。 -
As there is some difficulty to manufacture the graded heterojunction, we put forward that it can use double layer abrupt heteojunction to take the place of the graded heterojunction
由於漸變異質結在實現上存在一定的困難，因此我們提出了用雙層突變異質結擬合漸變異質結。
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