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 )有齒器,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 )有齒器,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 )脊齒目( stirodonta )有齒器,圍肛部在頂系內,齒器的齒有脊,橈骨片在齒上方不相接,
顎孔開放; 4 )管齒目( aulodonta )齒器的齒無脊,圍肛部在頂系內; 5 )拱齒目( camarodonta )有齒器,圍肛部在頂系內,齒器的齒有脊,橈骨片在齒上方相接,
顎孔封閉; 6 )全雕目( holectypoida )有齒器,但不發達或完全被吸收,圍肛部在頂系外,步帶不
形成瓣狀和葉鰓; 7 ) ?
形目( clypeasteroida )齒器發達,圍肛部在頂系外,步帶
形成瓣狀,無葉鰓; 8 )蝟團目( spatangoida )無齒器,圍肛部在頂系外,葉鰓發達,步帶
形成瓣狀。
A detailed us examination using a 3. 5 - mhz transabdominal probe demonstrated a fused single ventricle, a fused thalami, a cleft lip and palate, and the absence of falx cerebri in her fetus
腹部超音波顯示胎兒有單一腦室,融合的視丘及缺少大腦簾並唇裂及
顎裂畸
形。
A machine that crushes rock or ore
顎形碎石機一種碾碎巖石或礦石的機器
The crushing force is produced by the moving jaw, which moves elliptically so that the feed material is crushed between the two crushing jaws
鼠籠式破碎空間。靈活的搖桿呈橢圓
形運轉,起到改變破碎區域的幾何空間的作用,從而使物料在
顎板間得到破碎。
According to available reports, breakage of dental anesthetic needles mostly occurs during mandibular block anesthesia
根據文獻報告記載,牙科麻醉針頭斷針的情
形多發生於在施打下
顎神經阻斷麻醉時。
We focus on design and production of custom tailored equipment including hammer mills, impact mills, roll crushers, cone crushers, vibrating mills, as well as jaw crushers. customer orientation is of prime importance
我們將根據您的需要來設計和製造擺錘碎機沖壓式粉碎機軋輥破碎機錐
形破碎機振動式磨礦機
顎式破碎機。
We reveal a case of ameloblastic carcinoma of the mandible and report present illness, clinical exam, surgical therapy treatment and post - operation follow up in particulars
本文提出一例罹患下
顎造釉細胞癌的患者,就其發病過程、臨床檢查、手術治療方式及追蹤情
形作一完整之報告。
The nose is 1 of the most important characters in the human facial profile, and it is also a good reference for the evaluation of orthodontic treatment
摘要人類鼻部是側臉輪廓上的重要特徵,齒
顎矯正治療也常需考量鼻部側面
形態。
Chest pain or feeling tightness, heaviness in the chest. the pain can spread down one or both arms, or up to neck, jaw, shoulder or back. the pain is usually induced by physical exertion ( such as climbing stairs ) and relieved by rest
心絞痛:患者通常會
形容為胸口痛,胸口翳悶或胸口有被壓迫的感覺,痛楚可推展至單臂或雙臂,頸部、下
顎、肩膊和背部;而痛楚會因體力勞動(例如上樓梯)而誘發,在休息幾分鐘后減退;
The image is striking : a tiny insect, magnified 10, 000 - fold, looms like a giant alien from a science - fiction movie, with terrifying talons and mandibles ready to devour the world
這樣的畫面真令人驚異:一隻微不足道的小蟲子,在放大一萬倍之後,化身為科幻片里巨大的異形,有著駭人的利爪,張著巨顎,隨時準備蹂躪世界。