冬季不育 的英文怎麼說
中文拼音 [dōngjìbùyù]
冬季不育
英文
winter infertility-
Centropages tenuiremis is a mainly dominant species in xiamen waters during winter - spring. there is a noticeable character in its life history, that in may and june, when the population of this species begin to reduce gradually, the females could produce diapause eggs with long spines on their surface to over summer - autumn ( from july to november )
瘦尾胸刺水蚤（ centropagestenuiremisthompsen & seott ， 1903 ）是廈門海區冬春季節的主要優勢種，其生活史中一個顯著的特點就是在種群數量逐漸減少的5 6月間，雌體會產出表面遍布長刺的滯育卵，以滯育形式度過不利其生長繁殖的夏秋季（ 7 11月） 。( 2 ) there is stage of soil formation from the evolution of pedogenic environment in the weihe valley during holocene. soil formation shows the law of evolving from warm and wet strong soil formation period to cold and dry dust deposition period ( weak soil formation period ) and to warm and wet strong soil formation period again. the loess - soil sequence is a compound soil sectional system of different kinds of soil evolution under different bio - environment and pedogenic processes
（ 2 ）通過對全新世渭河流域成壤環境演變問題的討論，揭示了全新世渭河流域土壤的發育具有階段性，表現為由溫濕的強成壤期向冷乾的沉積期（弱成壤期）演變、再向溫濕的強成壤期演變的規律；黃土一古土壤序列是不同生物氣候環境下、不同成壤過程發育的不同土壤類型演替而形成的復合型土壤剖面體系；而且由於冬夏季風環流及其環境效應在空間上的差異，使得復合型土壤剖面體系也存在著南北差異。This paper firstly focused on and evaluated the pollination characteristics of c. praecox, in half - natural habitat of nanjing. we investigated flowering phenology, flowering patten, pollen viability, stigma receptibility, species of visitors, visiting rate of visitors and their foraging behavior. and we also investigated its breeding system, including pollen - ovule ratio ( p / 0 ), out - crossing index ( oci ), pollen grains deposited in stigmas, pollen germination rate and seed set rate with different treatments, from 2002 to 2004
試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態觀察和統計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統進行了檢測，檢測內容包括花粉胚珠比（ p / 0 ） 、雜交指數（ oci ）及不同處理花粉萌發率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。As a sports teacher, in the physical education teaching in winter, should not merely teach sports knowledge technology and skill, but to cultivate the ability to and improve student ' s setback of bearing, promote the overall development of student ' s body and mind, make students keep a kind of good adaptation state in various kinds of environments, and give full play to one ' s own latent energy
作為一名體育教師，在冬季體育課教學中，不僅要傳授體育的知識、技術和技能，而且要利用冬季體育課本身的特點對學生進行心理健康教育，消除學生的心理障礙，培養和提高學生承受挫折的能力，促進學生身心的全面發展，使學生在各種環境中能保持一種良好的適應狀態，充分發揮自己的潛能。分享友人