Based on the data collected from 8 plots and using Shannon and Simpson index, this paper calculated and analyzed diversity of Eupatorium catarium community in Hainan. And, niche breadth and niche overlap of E. catarium community were analyzed by using Levins and Pianka formulae. The results were as follows:(1)The diversity of E.

基于對(duì)海南儋州地區(qū)假臭草群落的調(diào)查欧美性午夜福利，應(yīng)用辛普森和香農(nóng)指數(shù)測(cè)定了該地區(qū)不同生境類型的假臭草群落的生物多樣性黄页网站免费视频福利区；并以各種雜草的重要值作為生態(tài)位計(jì)算的資源狀態(tài)指標(biāo)91精品99久久，應(yīng)用Levins公式和Pianka公式計(jì)算分析了該地區(qū)假臭草群落各物種的生態(tài)位寬度和生態(tài)位重疊在线观看中文字慕。

Finally, the characteristics and connection strategies of generator are presented, and based on subsume index, a breadth-first algorithm for mining non-redundant association rule is proposed.

最后色欲天天婬色婬香综，討論了生成子的性質(zhì)及連接策略欧美一级专区，并在包含索引的基礎(chǔ)上，給出了一種寬度優(yōu)先的無(wú)冗余關(guān)聯(lián)規(guī)則挖掘算法黄色成人网站在线观看。

The niche breadth could be used as an index for evaluating the host specificity of gamasid mites, whose similarity in population distribution was largely related to that of their hosts, as well as their taxonomic distance.

生態(tài)位寬度可以作為評(píng)價(jià)革螨宿主特異性的定量指標(biāo)国产A级高清视频毛片，革螨種群分布的相似性與其宿主的相似性程度有著很大的關(guān)系欧美性爱频道，并受其動(dòng)物分類學(xué)遠(yuǎn)近的影響。

Of conclusion leukaemia patient outside configuration of week blood white blood cell and structural change can pass VCS parameter to determine mensurably, if partial parameter is neuter distributinging breadth of bead cell volume, lymphocyte is average bulk is leukaemia the sieve is checked, diagnosed new index.

結(jié)論白血病患者的外周血白細(xì)胞形態(tài)和結(jié)構(gòu)變化可以通過(guò)VCS參數(shù)定量地測(cè)定国产盗摄一区，部分參數(shù)如中性粒細(xì)胞體積分布寬度久久久久九九99黄色三级片、淋巴細(xì)胞平均體積是白血病篩查、診斷的新指標(biāo)日韩乱伦字幕中文一区。

Analyzed the intraspecific and interspecific relationship of Bruguiera gymnorrhiza and Rhizophora stylosa with commonly used niche calculation formula and Hegyi single-tree competition index mode, the results showed that they had extreme similar niche breadth and high value of the niche overlap index.

文章采用常用的生態(tài)位寬度国产三级国产精品、生態(tài)位重疊計(jì)測(cè)公式和Hegyi競(jìng)爭(zhēng)指數(shù)模型，研究木欖和紅海欖種內(nèi)以及種間的相互關(guān)系色色色五月天久鬼久。

Because of the depth and breadth of information being indexed, there is usually a delay, sometimes up to several weeks, between the time a site has been"spidered"and when it appears in a search index.

由于已編索引的信息的深度與廣度日本很爽免费网站，所以通常在&蜘蛛爬行過(guò)&站點(diǎn)的時(shí)間與出現(xiàn)在搜索索引中的時(shí)間之間有一個(gè)延遲，有時(shí)多達(dá)幾周偷拍福利视频网站。

By using Shannon-Wiener index of niche breadth and Pianka index of niche overlap, this paper studied the niche characteristics of main plant species at different succession stages of vegetation in desert areas of north Gulang County, Gansu Province.

利用Shannon—Wiener生態(tài)位寬度公式和Pianka生態(tài)位重疊公式欧美在线视频干美女，計(jì)測(cè)分析了甘肅省古浪縣北部荒漠植被主要植物種在不同植被演替階段的生態(tài)位寬度和生態(tài)位重疊。

Applyed Levins Index corrected by Corwell and Wang gang Index, the niche breadth and niche overlaps of 20 species' in alpine meadow of Bayanbulak were measured at two resource dimension levels.

本文采用Levins提出經(jīng)Corwell修正指數(shù)和王氏重疊指數(shù)free性video丝袜极品，在土壤pH值和土壤全鹽二維生態(tài)因子梯度上2019最新黄片，測(cè)定了巴音布魯克高寒草地20種主要植物種群生態(tài)位寬度和生態(tài)位重疊值。

The average of temporal niche breadth of mango anthracnose was 0.1177 according to disease index of leaf, while 0.2639 according to disease index of fruit.

時(shí)間生態(tài)位寬度指數(shù)分別為0.1177和0.2639精品久久久无码午夜福利五色月，說(shuō)明芒果炭疽病在時(shí)間維上的利用程度小日韩一区二区18页视频在线播放，其發(fā)生和發(fā)展具有條件性；空間生態(tài)位寬度指數(shù)為0.7047和0.9040先锋视频资源在线，病菌能夠充分利用各空間資源95久久精品无码一区二区；營(yíng)養(yǎng)生態(tài)寬度指數(shù)為0.6662和0.5796，說(shuō)明病菌可以侵染各品種谁有黄色av网站，但品種間的抗病性有較明顯差異全免费A级毛片免费看69，臺(tái)農(nóng)1號(hào)抗病性較強(qiáng)，紅芒6號(hào)被公侵犯玩弄漂亮人妻、凱特和白玉較易感病国产2020av在线。

The cephalic index and the length-auri- culovertical height index obtained according to the measurement of the maximum length, the maximum breadth and ...

二、測(cè)量了196個(gè)左右兩側(cè)異區(qū)同型顱骨(即蝶頂縫型170個(gè)99re视频这里只有精品，異上骨型23個(gè)和額顳縫型3個(gè))的頭最大長(zhǎng)日韩欧美另类、頭最大幅和頭耳高，并計(jì)算出頭長(zhǎng)幅指數(shù)和頭長(zhǎng)耳高指數(shù)先黄色网站在线观看，從而初步提出顱骨異區(qū)的各類型的形成可能與頭長(zhǎng)幅指數(shù)和頭長(zhǎng)耳高指數(shù)有關(guān)国产男人资源在线观看网站免费视频。