conjunction-reduction 中文意思是什麼
conjunction-reduction
解釋
省並- conjunction : n 1 連合，結合，連接；聯合；聯系。2 （事件的）同時發生。3 【語法】連（接）詞。4 【天文學】（行星...
- reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
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During the deep - hole blasting for the excavation of guishan quarry for construction of baoquan pumped storage hydropower station, the blasting powder factor and the charging concentration of the blasting powder in the rock are reasonably controlled, and then the rate of blasting chunk is greatly decreased with the reduction of the working amount of the boulder blasting afterwards in conjunction with the suitable excavator and crusher etc
摘要在寶泉抽水蓄能電站工程龜山料場開挖的深孔爆破中，合理控制了爆破單位耗藥量和炸藥在巖石中的集中度，最大限度地降低了大塊率，並結合使用適宜的開挖及破碎機械等措施，從而減少了二次爆破工作量。 -
On one hand, we improve on one of the existed algorithms which named attribute reduction algorithm based on discernility matrix and logic operation. we propose a new transformation method from conjunction matrix to disjunction matrix that avoids the manual work or global search and can save the time and space. on the other hand, most traditional methods didn ’ t integrate with database operations
主要做了兩方面的工作，一方面，對已有的基於可辨識矩陣和邏輯運算的屬性約簡演算法進行了改進，提出了一種從合取項矩陣到析取項矩陣直接轉化的方法，避免了傳統的人工轉化或全局搜索的方法，節省了空間和時間。
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