p中文意思是什麼

p解釋


    ※英文詞彙p在字典百科英英字典中的解釋。

    1. Theorem 3. 9 if g is locally finite p - group and c * ( p ) - group, then the nilpotent class of g is at most 3 and the derived subgroup of g is elementary abelian p - group

      定理39若局部有限屍群g是c 「卜群,則g的類最多為3且g 』是初等阿貝爾p群
    2. P > a style ( 1915 - - 1925 ) with antirational approach and nihilistic, absurdist, and incongrous thems

      流行於1915 - - 1925間的藝術流派。其特點是反理性的創作手段和虛無、荒誕、矛盾的主題。
    3. Abies yuanbaoshanensis is a guangxi endemic and endangered evergreen coniferous arbor, listed in the red data book of plant in p. r. c, being one of the stated - proteced first - class rare and endangered plants. it is distributed only in yuanbaoshan mountain in northern guangxi

      元寶山冷杉是松科冷杉屬的常綠針葉喬木,是20世紀70年代發現的新種,它是世界上僅產于廣西融水縣北部元寶山的殘遺瀕危種,已被列為一級保護的瀕危植物。
    4. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

      本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
    5. The postmaster general, mr. p. c. luk, announced today ( 26 october 2001 ) that the first set of self - adhesive stamps ever produced in the hong kong postal history would be issued on sunday, 18 november 2001. the stamps adopt children as the theme

      香港郵政署長陸炳泉今日(十月二十六日)宣布,香港郵政歷史上首套自動黏貼郵票將於十一月十八日(星期日)發行。該套郵票以兒童為主題。
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