selective index 中文意思是什麼
selective index
解釋
選擇下標, 選擇索引-
In this paper we have predicted two kinds of new quantum coherence effects. one is the strong - field index enhancement via selective population trapping of dressed states and the other is the preservation of the coherent population trapping ( cpt ) is by quantum interference of incoherent pump processes
本文提出了兩類新的原子相干效應，一是利用選擇性修飾態捕獲產生強場折射率增強，二是非相干泵浦誘導的量子干涉保護相干捕獲。 -
If the ratio is low, the index is highly selective
如果比率較低，索引就是高選擇性的。 -
Conclusion the essential oil is mainly distributed in the stem bark, so the thickness of a stem bark can be used as a standard of selective breeding index
結論廣藿香莖內的發揮油主要分佈在莖的皮部，廣藿香莖皮的厚薄可作為優良品種的選育指標。 -
There was a significant negative correlation between electric conductivity and vigor index, indicated the electricl conductivity could be used as a selective index for flood tolerance breeding in brassica napus l
電導率與活力指數之間有極顯著的負相關，可用來快速篩選油菜耐濕性材料。 -
This means an index on it will be more selective than an index on the " ship via " column
這意味著其索引的選擇性將比「 ship via 」列的索引的選擇性要高。 -
The researches about the classification and identification of their species and varieties have provided an early, subservient and selective index for breeding work
其種間或品種間的分類鑒定和親緣關系的研究為育種工作提供了一個早期的、輔助的、選擇性的指標。 -
When you create a multiple - column index, you should put the most selective columns leftmost in the key
在創建多列查詢時，應該將選擇性最高的列放在鍵中的最左端。
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