齒形脊 的英文怎麼說

中文拼音 [chǐxíng]
齒形脊 英文
serrate ridge
  • : Ⅰ名詞1 (牙; 牙齒) tooth 2 (物體上齒形的部分) a tooth like part of anything 3 [書面語] (年齡...
  • : 脊同 「脊」
  1. Some of its conical teeth, vertebrae, and foot - long armor plates, or scutes, were first discovered by french paleontologist albert - felix de lapparent

    他們的一些錐椎、長達一英尺的鱗甲首先被法國古生物學家阿爾貝弗利克斯?德拉帕朗發現。
  2. If the axis plunges, loop-shaped or zigzag patterns of ridges and valleys result.

    如果軸是傾伏的,就會產生環的或鋸狀的山與山谷。
  3. The thirty - four species of the sea urchins belong to 7 order, 17 families and 28 genera. the following is the name list, those with an asterisk are the species recorded for the first time in china. order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a. agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a. agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a. agassiz family arbaciidae * coelopleurus maculata a. agassiz et h. l. clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a. agassiz et h. l. clark ) temnotrema sculptum ( a. agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a. agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a. agassiz ) hemicentrotus pulcherrimus ( a. agassiz ) family echinometridae anthocidaris crassispina ( a. agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a. agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a. agassiz & h. l. clark ) family spatangidae * spatangus luetkeni a. agassiz among the species reported, the following species call for notes or simple descriptions

    本文根據th . mortensen ( 1928 - 1955 )海膽專著( amonographoftheechinoidea )中的主要分類依據,將海膽綱分為8個目: 1 )頭帕目( cidaroidea )有器,圍肛部在頂系內,圍口部有步帶板和間步帶板,大棘很大,有外皮層,無球棘; 2 )鱗棘目( lepidocentroida )有器,圍肛部在頂系內,圍口部僅有步帶板,大棘不很大,無外皮層,有球棘; 3 )目( stirodonta )有器,圍肛部在頂系內,器的,橈骨片在上方不相接,顎孔開放; 4 )管目( aulodonta )器的,圍肛部在頂系內; 5 )拱目( camarodonta )有器,圍肛部在頂系內,器的,橈骨片在上方相接,顎孔封閉; 6 )全雕目( holectypoida )有器,但不發達或完全被吸收,圍肛部在頂系外,步帶不成瓣狀和葉鰓; 7 ) ?目( clypeasteroida )器發達,圍肛部在頂系外,步帶成瓣狀,無葉鰓; 8 )蝟團目( spatangoida )無器,圍肛部在頂系外,葉鰓發達,步帶成瓣狀。
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