例句與造句

1. Apart from their ecological value , dragonfly also serves as indicator species reflecting the integrity of natural environment and key components of our education programme for primary and secondary school students , added samson so
   蜻蜓除具備生態(tài)價(jià)值外，亦屬能反映出天然環(huán)境健全與否的指標(biāo)品種。此外，它更是本會(huì)中小學(xué)教育項(xiàng)目的重要教育資源。
2. Spatial diversity index was cited to describe the wild life habitat pattern quantitatively . and the habitat pattern change of wild animals and red - crowned cranes ( grus japonensis ) , as indicator species , between 1988 and 1998 was analyzed
   引用空間多樣性指數(shù)( s _ d )對(duì)本區(qū)野生動(dòng)物生境格局和指示物種丹頂鶴的生境格局進(jìn)行了定量描述，并分析了其十年間的生境格局變化。
3. Results as following : in the east china sea and the yellow sea , zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n , five communities were distinguished by twinspan method , based on data of species composition and environmental factors . they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes , calanus sinicus and euphausia pacifica , the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity , iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )
   根據(jù)twinspan等多元分析結(jié)果，比較各組群的浮游動(dòng)物種類組成和環(huán)境特征，可將東、黃海浮游動(dòng)物群落分為5個(gè)，黃海沿岸群落（ f ） ，指示種秋季為真刺唇角水蚤，春季為墨氏胸刺水蚤；黃海中部群落（ hc ） ，指示種以細(xì)長(zhǎng)腳蟲戎為主，秋季還有中華哲水蚤和太平洋磷蝦；東海外陸架高溫高鹽群落（ k ） ，指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類；黃東海交匯區(qū)群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態(tài)類型種類，其中溫帶近岸低鹽種在he中較多，廣布性暖水種在m群落中較多。
4. In this paper , zooplankton communities , their species composition and indicator species in the east china sea and the yellow sea were examined with multivariate methods . in the southern part of the yellow sea , where was known as an important spawning ground of anchovy , the seasonal variations of zooplankton were studied in details with respect to species composition , abundance , biomass and vertical distribution . furthermore zooplankton indication of the yellow sea warm current ( yswc ) in winter was discussed
   本論文用數(shù)理統(tǒng)計(jì)方法（包括：雙向指示種分析、多維定標(biāo)序列分析、判別分析和多元回歸分析）對(duì)春、秋兩季東、黃海浮游動(dòng)物群落進(jìn)行了劃分、確定各群落的指示種；對(duì)南黃海浮游動(dòng)物的種類組成、分布及其時(shí)空變化進(jìn)行了研究，并與歷史資料進(jìn)行了比較；并探討了黃海冷水團(tuán)對(duì)某些浮游動(dòng)物的意義，以及浮游動(dòng)物對(duì)黃海暖流指示。
5. It's difficult to find indicator species in a sentence. 用indicator species造句挺難的