x x x中文意思是什麼

x x x 的中文意思

x x x 例句

1. There are five natural sample zones of adiantum reniforme l. var. sinense y. x . lin investigated, and recorded 34 species. 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations
   調查了5個自然樣地，記錄了34個伴生種，取10個優勢種進行種群生態位寬度與生態位重疊的計算。
2. X rays and antibiotics are adjuvant to surgery. x
   光和抗生素是外科手術上的輔助醫療物。
3. Positive aileron deflection produces an anti-clockwise moment about the x a x is.
   正的副翼偏轉角產生繞X軸的負方向力矩。
4. X series jig with air chamber under the bed
   X型篩下空氣室跳汰機
5. A number x is called an almost upper bound of a.
   數X稱為A的殆上界。

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