lower categories 中文意思是什麼
lower categories
解釋
低級分類單位- lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
- categories : 按種類
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Rural residents of all smoking categories experienced lower death rates than smoking counterparts in urban areas.
所有各類吸煙的鄉村居民的死亡率比城市地區同類吸煙者低。 -
By means of the afm made in shanghai aijian co., ltd. and digital instruments co., ltd ( u. s. ), the dna strand and their fragments were observed successfully. 2. by comparison with afm experiments of three categories of ion beams, the result has been observed in qualitatively : in the uniform dose, the higher let heavy ions have caused more double strand breaks than the lower let radiation
通過afm對實驗結果的觀測，可以定性地得知：在同等劑量條件下，高let值的重粒子與低let的射線相比， dna雙鏈斷裂的數目要多一些；在相同let條件下，隨劑量增加dsb的片段變短、數量增加。 -
Is the species ( plural, same spelling ) epithet which begins with a small letter, and must be used only in conjunction with its genus name. genus and species are lower categories in the hierarchical system of plant classification
是種附加詞，必須緊接屬名之後，其首個字母以小階表示。分類法中的屬和種在植物分類學上都在較低層。 -
The issues in deeper layers are still far resolved, such as complexity harm of diseases and insects. lower level of producer in agriculture, irrationality of categories configuration of fertilizers and pesticides, feeble system that spreads agriculture technic. deteriorated condition that yield produce, faultiness of statutes and criterion
但深層次的問題遠沒解決，如病蟲害的復雜性、農業生產者素質低、化肥和農藥品種結構不合理、農業推廣體系弱化、生產環境惡化、法規和標準不完善等等。
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