structural ratios 中文意思是什麼
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Sequence variation analysis exhibits high transition to transversion substitution ratios, and transitions and transversions are unsaturated in the sequence of cytochorme b gene. the base composition of the cytochrome b sequences was highly biased. using a structural model of the cytochrome b protein as a template, we divided cyt b sequence data for species within anserifomes into three functional domains
3 ）序列具有較高的轉換顛換比，基因序列中的轉換與顛換都未飽和，序列中的堿基組成高度偏倚： 4 ）按照細胞色素為蛋白結構模型，細胞色素b基因全序列可分為三個功能區，堿基替換飽和狀況與不同功能區相關聯。 -
The optimization selection and comparison have been conducted on the ratios of major structural dimensions of ball cage patterned constant speed universal joint namely the ratio between central circle diameter of steel ball and ball diameter, the ratio between outer diameter of universal joint and diameter of graduation circle of inner sleeve spline and the ratio between eccentricity of ball cage patterned constant speed universal joint and central circle radius of ball
對球籠式等速萬向節的主要結構尺寸即鋼球中心圓直徑與鋼球直徑之比、萬向節外徑與內套花鍵分度圓直徑之比，以及球籠式等速萬向節的偏心距與鋼球中心圓半徑之比進行了優化選擇和比較。
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