natural reproduction 中文意思是什麼

natural reproduction 解釋
自然更新
  • natural : adj 1 自然界的；關于自然界的。2 天然的；未開墾的；野生的。3 固有的 生來的 天賦的（opp acquired）...
  • reproduction : n. 1. 再生產，再現；【心理學】再生作用。2. 復制（品），復寫，仿造；轉載；翻印。3. 生殖，繁殖。
  1. “ survival of the fittest ” is a conversational way to describe natural selection, but a more technical description speaks of differential rates of survival and reproduction

    適者生存是描述天擇的口語，比較合乎行話的描述涉及生存與生殖成功率的差別。
  2. Under natural conditions, the clonal growing rhizomes of l. sagitta and l. virgaurea were suppressed due to interspecific competitions on the grassland, therefore the reproduction of the two plants mainly dependen on seeds

    箭葉橐吾和黃帚橐吾，在自然條件下，其克隆生長的根狀莖，受到了草場其它生物的競爭而被抑制，主要進行有性生殖。
  3. Where a contracting party allows the transmittal of communications to the office by telefacsimile, it shall consider the communication signed if, on the printout produced by the telefacsimile, the reproduction of the signature, or the reproduction of the seal togetherwith, where required under paragraph ( 1 ) ( iv ), the indication in letters of the name of the natural person whose seal is used, appears

    締約方允許以傳真向商標主管機關傳送文函的，如傳真紙上印出簽字或印出印章及第（ 1 ）款第（四）項要求的使用印章的自然人以字母標示的姓名，應將文函視為已簽名。
  4. In this paper two - generation reproduction toxicity of fenvalerate, a - cypermethrin, chlorpyrifos, and triazophos was tested in a 21d period with water flea, daphnia magna, . the toxicity indicator included longevity, body length, days to first brood, days to first pregnancy, number of youth per female, intrinsic rate of natural increase ( r ), and number of broods per female. accordingly, the dose - response relations and relations between the chronic responses and enzyme levels were investigated

    為了確定水蚤體內生化指標與慢性毒害效應之間的關系，特別是在低濃度暴露狀態下生化指標改變的生物學意義，以便能更準確預測早期農藥對水蚤種群的潛在危害，本文以浙江省常用殺蟲劑氰戊菊酯、高效氯氰菊酯、三唑磷和毒死蜱進行了大型蚤（ d . magna ）的急性和慢性毒性試驗（包括子代水蚤的恢復試驗） 。
  5. The actual reproduction and artificial restoration density were the biggest with the treatment of irrigation ? soil preparation + natural regeneration, and the average numerical value was 13. 04 clumpes / m ^ 2 ranging from 3 clumpes / m ^ 2 to 28 clumpes / m ^ 2. the others were as follows : 1. 66 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + artificial regeneration, ranging from 1 clumpe / m ^ 2 to 20 clumpes / m ^ 2 1. 11 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + natural regeneration, ranging from 0. 5 clumpe / m ^ 2 to 17 clumpes / m ^ 2 0. 25 5 clumpe / m ^ 2 occurred in the treatment of unirrigation + break ground + natural regeneration, ranging from 0. 1 clumpe / m ^ 2 to 3. 0 clumpes / m ^ 2, and 0. 012 clumpe / m ^ 2 occurred in the treatment without disturbance

    以更新密度作為參數，其數值依次為：灌溉+整地十自然更新最大，平均為13 . 04叢/平方公尺，變化在3 28叢平方公尺之間；無灌溉+整地十人工種植恢復平均為1 . 66叢平方公尺，變化在1 20叢平方公尺之間；無灌溉十整地+自然更新恢復平均為1 . 11叢平方公尺，變化在0 . 5 17叢平方公尺之間；無灌溉+破土+自然更新平均為0 . 255叢平方公尺，變化在0 . 1 3 . 0叢平方公尺之間；無干擾自然更新平均為0 . 012叢平方公尺。
  6. As economic development and population control promote each other, these areas have seen a transition, in a relatively short period of time, to the modern population reproduction pattern characterized by a low birth rate, low death rate and low natural growth rate

    經濟發展與人口控制相互促進，使這些地區在較短時間內實現了向低出生、低死亡、低自然增長的現代人口再生產類型的轉變。
  7. The basic characteristic of agriculture is the interrelation of natural reproduction and economic reproduction

    農業的基本特點是動植物的自然再生產與經濟再生產相互交織。
  8. Ropagating material ? is a whole plant, seeds, planting material, as well as parts of this plant, insofar as they contain at least one cell and are used for reproduction of the whole plant, irrespective of the method of their production - artificial or natural

    繁殖材料系指整株植物，種籽，種植材料，以及這植物至少含有一細胞cell並被用於生殖整株植物的部份，不論其生產方法人工或天然。
  9. Attending the opening ceremony included major general zhao da sheng, president of the academic of military medical sciences ; professor lee cheuk yu, sub dean of the faculty of medicine, the chinese university of hong kong, professor wang yi fei, regional manager of human reproduction who ; professor ye xin sheng, director of life science division, natural science foundation of china ( nsfc ) and representative of beijing science & technology commission

    開幕典禮由軍事醫學科學院院長趙達生少將主持，嘉賓有香港中文大學校長特使醫學院副院長李卓予教授、軍事醫學科學院副院長晁福環少將、世界衛生組織人類生殖亞太地區主任王一飛教授、國家自然科學基金委員會生命科學部副主任葉鑫生教授以及北京科學技術委員會的代表。
  10. The intertvvining of natural reproduction and economic reproduction is the fundamental character of grassland husbandry

    自然再生產與經濟再生產相交織是草地畜牧業的根本特點，要求我們正確處理自然規律和經濟規律的辯證關系。
  11. Check dams, typhoons and rising temperature interact to suppress the salmon population repeatedly each year. the population must be uninterruptedly enlarged by artificial reproduction before the demolition of check dams to fortify the resilience and stability of salmon population under the impacts of natural calamities

    攔砂壩、臺風與逐年升高的水溫已使櫻花鉤吻鮭面臨嚴重生存危機，建議壩未拆除前，必須持續人工繁殖及放流工作，以擴大族群量，增加其天災沖擊下之回復力與穩定性。
  12. Agricultural is an industry harmonizing the natural reproduction and social reproduction. agricultural structure of friendly environment is the basis of agricultural development. only with the sustained development of friendly environment could agricultural economy develop continuously

    農業是自然再生產和社會再生產協調發展的產業，農業生態結構是農業發展的基礎，沒有農業生態的持續性，就沒有農業經濟的持續性。
  13. Natural selection ( selection ) - - differential reproduction of different members of a species due to the variability in fitness among individuals or genotypes, leading to changes in allele frequencies over time

    天擇- -天擇是改變對偶基因頻率的主要因素，因為天擇的結果使某種基因型的個體減少，因而改變原有的對偶基因頻率。
  14. From period and country style furniture, antique reproduction furniture, to contemporary home furniture and accessories in solid timber and natural finish, find it all here

    有時代、國家氣息的傢具，古董傢具，用實木和天然材料製成的當代傢具及附件均可以在這里找到。
  15. Amathematical model used by the team confirms that, given pygmy lifeexpectancies, their growth and reproduction patterns have indeed been optimisedby natural selection

    小組使用的一個數學模型印證了這一點，盡管自然選擇已經優化侏儒的平均壽命、生長和生殖的模式。
  16. The genetic algorithms is by means of the coding technology, application is reproduction, hybridization and the abrupt change and so on the genetic factor, intial stage race make up to chromosome, degree of adapting to analysis, constitute bad the eliminating of superior 、 natural environment of survival of the fittest, come into being out the fresh good race

    摘要遺傳演算法通過編碼技術，運用繁殖、雜交、和突變等遺傳運算元，對染色體組成的初始種群，進行適應度分析，構成優勝劣汰、適者生存的自然環境，產生出新的更加優良的種群。
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