長期乾旱期 的英文怎麼說

中文拼音 [zhǎngqīgānhànqī]
長期乾旱期 英文
long draught
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 乾 : Ⅰ名詞1. （八卦之一） qian, one of the eight diagrams2. （姓氏） a surname Ⅱ形容詞（舊時稱男性的） male
  • 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
  • 長期 : over a long period of time; long-term; long range; secular
  1. The study on growth of four varieties alfalfa during seeding period in shandong semiarid area

    四種紫花苜蓿在山東半乾旱地區苗期生長的研究
  2. The ephemerals is a kind of plant starting its new living period using the melting snow water in the early spring. they make use of melting snow water and spring rainwater under certain temperature to grow, then they will finish the life history quickly before hot summer comes

    早春短命植物是一類生長在乾旱區，以早春融雪水啟動其新的生活周期，利用融雪水及春季雨水提供的土壤濕度和一定的溫度生長發育，在炎熱夏季來臨之前迅速完成生活史的一年生草本植物。
  3. The plant is as dry as tinder after this long drought

    植物經過長期乾旱之後乾枯得如同火絨一般。
  4. Weather or not the vegetation restoration and rebuilt can be achieved will largely depend on weather or not sprout can build up the mechanism to resist dry stress. this point of view has been pro - ved by plants living on the natural water. usually the xerophyte has particular ability to endure drought for long term

    植被恢復與重建能否取得進展，在很大程度取決于幼苗期能否完成適旱過渡，這種現象，在依賴自然水源生繁的地區特別明顯。荒漠中自然生長的植被，通常具有耐受長期乾旱的特殊能力。
  5. By analyzing the effect of dry fanning on grain production and the trend of population growth, this paper recommends the walking - type irrigation technique, which is practical and suitable for the situation in various regions of our country, to solve the problems of not being able to sow seeds timely and keeping a full stand of seedlings, so that we can guarantee the national grain production and provision

    摘要通過分析旱地農業對糧食生產的影響及人口增長趨勢，提出採用適合我國基本國情和各地實際情況的、實用的行走式節水灌溉技術，解決因乾旱無法適時播種和保苗這一長期困擾農民的「卡脖子旱」問題，從而保障糧食生產，保障國家糧食供給。
  6. Through cultivating five cold - season turfgrass ( lolium perenne, agrostis stolonifera, festuca rubra, festuca arundinacea, bromus inermis ) in basin, their drought to lerance indexes, including the planting height, the root growth, the relative water content of leaves, the penetration of membrane, were comprehensively evaluated to compare their drought tolerance

    摘要採用盆栽育苗法，在5種冷季型草坪草苗期連續乾旱脅迫下測定植株高度，根系生長，葉片相對含水量和質膜透性等抗旱指標，以綜合評價5種冷季型草坪草的抗旱性能。
  7. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明，水分脅迫導致玉米株高和葉面積指數降低，以拔節期受到影響最大；玉米產量與生物量呈顯著正相關關系，產量與根重無顯著正相關關系；水氮耦合效應顯著，適宜水分和中氮處理下玉米的產量最高，玉米生長發育對氮肥的吸收存在一定的閾值，過多施用氮肥會加劇土壤乾旱和作物乾旱，水和鉀耦合效應對玉米產量影響不顯著；水分是影響玉米產量的主導因素，其次是氮效應和鉀效應。
  8. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
  9. The study also reveals the relationship between pasture ' s growth period, yield and their relation to weather factors and the evolvement characters of grassland vegetation under the background of drought climate, and refers to the main factors of the influence on grass - turn - green period as water condition in qinghai lake areas, and the main factors as the quantity of heat in the southern area of qinghai. because of the drought in the " three rivers source area ", the growing season is shortening and the production of the grass is decreasing clearly

    揭示了牧草生育期、產量以及群體結構與氣象因子之間的關系和氣候乾旱化影響下草場植被的演變特徵，提出了影響環湖地區牧草返青期的主要因子是水分條件，影響青南地區牧草返青的主要因子是熱量條件， 「三江源」地區由於氣候乾旱化，導致牧草生長季呈縮短趨勢，牧草產量明顯下降。
  10. In dry area or half dry area, water is one of the main factors for afforesting the highway. it can be solved by designing in a proper way, planting in suitable seasons, ect

    在乾旱、半乾旱地區公路綠化中水是最主要制約因素，通過合理設計、選擇適宜植物生長的時期種植和採用高分子化合物等，從而達到抗旱和防治水毀的目的。
  11. Abstract : in dry area or half dry area, water is one of the main factors for afforesting the highway. it can be solved by designing in a proper way, planting in suitable seasons, ect

    文摘:在乾旱、半乾旱地區公路綠化中水是最主要制約因素，通過合理設計、選擇適宜植物生長的時期種植和採用高分子化合物等，從而達到抗旱和防治水毀的目的。
  12. The ground is as hard as stone after the drought

    長期乾旱之後土地硬得就像石頭一樣。
  13. In addition, the pith of root and stem is flourishing for prosperous growth period and declining period, the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith, unusual structure eg. epidermis and vice - epidermis, bubble form cell, short pipe numerators and wreath grid types leaf etc. in each organ of pugionium comutum ( l. ) gaertn. had been formed to adapt to dry environment, so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn. has closely of relation with its anti - drought and its adapting to desert environment

    此外，葉片旺盛生長期、衰退期根莖具發達的髓，髓內有異常次生生長形成的維管組織，貯藏養分，為沙芥次年形成二年生植株提供營養，沙芥各器官在解剖結構方面都形成了特化結構如具表皮及副表皮、泡狀細胞、短的導管分子及環柵型葉等以適應乾旱的環境，因此沙芥各器官的形態及解剖特點與其抗旱、適應沙漠環境有密切的關系。
  14. The ground is as hard as stone after the drought.

    長期乾旱之後土地硬得就像石頭一樣。
  15. The long drought caused an acute shortage of water in the city

    長期乾旱使這座城市嚴重缺水。
  16. Drier conditions lead longer droughts, hydropower electricity production decreases

    持續長期乾旱減少水力發電能力
  17. It was showed that the drought resistance among three trees were different, p. orientalis was strongest, then wes p. tabulaeformis, the thi rd was r. pseudoacacia

    試驗表明，各樹種忍耐長期乾旱的能力不同，側柏最強，油松次之，刺槐最差，表明了各樹種林分抗旱穩定性的不同。
  18. The results showed that drought stress at flowering stage delayed the date of the max filling - speed ( dmfs ), and weakened the rate of average growth ( rag ) and the max filling - speed ( mfs ), and then shorten linear dry matter accumulation phase and leveling - off of dry matter accumulation phase

    結果表明：花期乾旱導致玉米最大灌槳速度出現時間推遲、籽粒相對生長率和最大灌裝速度減弱、干物質線性積累期和干物質穩定增長期顯著縮短，乾旱結束后植株通過提高幹物質線性積累期的持續時間和干重，以彌補前期乾旱的損失。
  19. After rain, the soil water content is higher, while no rain, the soil water content decreases faster relatively. in autumn, the soil water content begins to drop, but the drop range is small than summer. during continual d rought, the soil water content of surface layer approaches to that of middle layer and under layer ; water conservation measures can increase chestnut ' s new branch remarkably, results difference among water conservation measures are not significant, meanwhile, water cons

    而在持續乾旱期，表層土壤的含水量接近於中下層土壤的含水量;保水措施能使新梢明顯增長，而保水措施之間的效果差異不明顯;同時保水措施並不能使新梢直徑明顯增粗;保水措施對成齡板栗樹根莖地徑的增粗生長影響不大;綜合以上試驗結果，秸稈覆蓋為太行山片麻巖區的最佳的保水措施，地膜覆蓋其次。
  20. Attempts to continue along the current unsustainable pathway will increasingly be thwarted as melting ice - caps, higher temperatures, heavier storms, longer droughts, more frequent floods and rising sea levels exert an ever heavier toll of wellbeing and lives

    試圖繼續當前非可持續發展的做法，只會日益加重冰川融化、氣溫升高、暴風雨加重、乾旱期延長、洪災發生頻繁、海平面上升等問題，從而使人類的健康和生活面臨前所未有的威脅。
分享友人
分享到 Line

分享到臉書