有葉舌的 的英文怎麼說

中文拼音 [yǒuyèshéde]
有葉舌的 英文
ligulate
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 舌 : 名詞1. （舌頭） tongue （of a human being or animal）2. （像舌的東西） sth. shaped like a tongue 3. （姓氏） a surname
  • 的 : 4次方是 The fourth power of 2 is direction
  1. A very small tongue - shaped flap of tissue inserted on the upper surface of the leaves ( microsporophylls ) and sporophylls of certain clubmosses ( e. g. selaginella ) and quillworts ( isoetes )

    某些石松門（如卷柏）和水韭類植物（水韭屬）的孢子葉上具有的一種極小的舌狀結構， 。
  2. The reason that the noise is lower with inclining tongue is : 1 ) both the radius of the tongue and the gap between the tongue and the blade are changed across the wideth ; 2 ) the phase angle between blade and the tongue is changed across the wideth, therefore the peak value of the noise do not appear at the same time, so the peak value of the noise with inclining tongue is much lower than the straight one. the influence of the expanded angle of the shell of the fan on the noise was invested experimentally, and the optimal angle was got

    傾斜蝸舌降噪的主要原因是：一是改變了從氣流入口側到風機輪盤的蝸舌間隙和蝸舌半徑；二是改變了葉輪與蝸舌非定常相互作用的相位差，使其產生噪聲也有相位差，迭加的結果進一步降低了噪聲。另外，試驗研究了不同蝸殼擴張角對風機噪聲及效率的影響規律，蝸殼擴張角選擇當否，對效率和噪聲影響較大。
  3. In inner mongolia, 322 ewenki ( 147 male and 175 female ) and 100 oroqen ( 40 male and 60 female ) students are investigated on 5 types of tongue ? s movement ( rolling, folding, twisting, pointed and clover - leaf tongues ). the results showed as follows : ( 1 ) ewenki shows significant or very significant difference in most of frequencies of the 5 types except folding tongue from oroqen, daur han and mongol in inner mongolia. oroqen has significant difference from daur in the frequency of clover - leaf tongue, but not in the other 4 types. compared with han, mongol and hui in inner mongolia, oroqen is significantly different in most of ferquencies of twisting. ( 2 ) only the frequency of pointed tongue showed very significant difference between ewenki and oroqen. ( 3 ) they all indicate that gene interdependence can be found between rolling and clover - leaf tongues, twisting and pointed tongues, twisting and clover - leaf tongues, but not between rolling and folding tongues

    調查了內蒙古鄂溫克族（共322例，男147例，女175例）和鄂倫春族（共100例，男40例，女60例）的舌運動類型（捲舌、疊舌、翻舌、尖舌、三葉舌） .研究結果顯示：鄂溫克族的捲舌、翻舌、尖舌以及三葉舌的出現率與內蒙古的鄂倫春族、達斡爾族、漢族、蒙古族、回族相比較，絕大多數存在著顯著或極顯著性差異；鄂倫春族與達斡爾族之間只有三葉舌的出現率有顯著性差異，其它4種舌運動類型的出現率均比較接近，而與內蒙古的漢族、蒙古族、回族相比較，也只有翻舌的出現率存在顯著性差異，但捲舌、疊舌和尖舌的出現率不存在顯著性差異.鄂溫克族和鄂倫春族間只有尖舌的出現率存在極顯著的性別差異.鄂溫克族和鄂倫春族在捲舌與三葉舌、翻舌與尖舌以及翻舌與三葉舌間均存在基因互作關系，而捲舌與疊舌間不存在基因互作關系
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