length n. 1.長(zhǎng),長(zhǎng)度,長(zhǎng)短。 2.(時(shí)間的)長(zhǎng)短,期間。 3.(賽艇的)一艇的長(zhǎng)度;一馬的長(zhǎng)度。 4.程度,范圍。 5.【板球】球程;投至適當(dāng)距離的球。 6.【語(yǔ)言學(xué)】音長(zhǎng)。 7.一段,一節(jié)。 a dress length, a length of cloth 一段料。 a length of pipe [tubing] 一節(jié)管子。 The boat won by three lengths. 這只艇以三艇長(zhǎng)之差得勝。 a (good) length ball 球程準(zhǔn)確的球。 at arm's length 在手臂伸得到的地方,疏遠(yuǎn) (keep sb. at arm's length 不與接近,敬而遠(yuǎn)之)。 at full length 1. 冗長(zhǎng)地;充分地,詳細(xì)地 (give all the facts at full length 提供詳細(xì)的材料)。 2. 全身平伸地 (lie at full length 挺直身體躺著)。 at great length 冗長(zhǎng)地,??唆唆地。 at length 1. 最后,終于,好容易才。 2. 充分地,詳細(xì)地 (speak at great length 詳細(xì)講了好久)。 at some length 相當(dāng)詳盡地。 cannot see beyond the length of one's nose 鼠目寸光。 draw out to a great length 拖得很久,占去很長(zhǎng)時(shí)間。 fall [measure] all one's length 直挺挺地倒下。 find [get, have, know] the length of sb.'s foot 了解某人的弱點(diǎn)。 go (to) all lengths [any length] = go to great lengths 什么事都做得出;不遺余力。 go (to) the length of (doing) 甚至于,不惜。 go the whole length of it. 徹底干;干到底。 length of (sb.'s) days [life] 某人的壽命。 measure one's (own) length 跌倒在地。 of some length 相當(dāng)長(zhǎng)。 over [through] the length and breadth of 到處,四面八方。 work at arm's length 在不利的條件下工作。
root n. 魯特〔姓氏〕。 n. 1.(草木、毛發(fā)等的)根;根菜,食用菜根;根莖,地下莖;塊根;有根植物,草木,草;〔pl.〕根菜類;(山)麓。 2.根本,根源,原因;本質(zhì);基礎(chǔ),根柢;【語(yǔ)言學(xué)】詞根;根詞;【數(shù)學(xué)】根數(shù),根。 3.祖先;【圣經(jīng)】子孫。 4.【音樂(lè)】和弦基音。 the root of a tooth 牙根。 the root of all evil 禍根。 the root of a gem 玉根〔毛玉的非玉部分〕。 a cubic [second, square] root 立方[平方]根。 at (the) root 根本上。 be at the root of 是…的根本[基礎(chǔ)]。 by the root(s) 連根,從根部,從根源 (pull up by the roots 連根拔除,根除)。 get at [go to] the root of 追究…的根底,追查…的真相。 lay the axe to the root of 根本改革;治本。 root and branch 完全,都;徹底地,急進(jìn)地。 strike at the root of 打擊…的根部,徹底摧毀。 strike [take] root 生根;扎根;固定,固著。 to the root(s) 充分地;竭力地;徹底地。 vi.,vt. (使)生根;(使)固定;(使)固著;〔比喻〕深深種下,使根深蒂固。 Terror rooted him to the spot. 嚇得他呆立不動(dòng)。 root up [out] 連根拔除(雜草等);肅清(反叛等)。 adj. 根的;根本的。 a root idea 根本思想。 vt.,vi. (豬等)用鼻子掘(地);搜尋 (for)。 R-, hog, or die. 〔美國(guó)〕拚命干啊,不然就得餓死。 vi. 〔美俚〕應(yīng)援,聲援;支持,贊助;歡呼,喝彩。
Effect of different electric field frequencies on the germination percentage of hedysarum leave maxim and on the root length of its seedling 不同電場(chǎng)頻率對(duì)羊柴種子發(fā)芽率和幼苗根長(zhǎng)的影響
There existed very significant correlations between drought tolerance and relative values of root dry weight , total root length , and root volume ( per plant dry weight basis ) , respectively , which could be used as root indicators of drought tolerance 比根干重、比總根長(zhǎng)、比根體積與耐旱隸屬函數(shù)平均值均呈極顯著正相關(guān),可作為耐旱性的根系性狀指標(biāo)。
Lines of gh01 could be included as susceptible genotype with significant decrease in yield , pod seed , vigor index , relative root length , relative shoot length and weight , while oil content of seed decreased but protein content of cake increased significantly 不耐濕的品種如gh01等活力指數(shù)、相對(duì)苗長(zhǎng)、相對(duì)苗重、單株粒重、每角粒數(shù)含油量等顯著降低,蛋白質(zhì)含量顯著提高。
Field germination , nodulation status and physical growth parameters of seedlings ( shoot and root length , vigor index , collar diameter , leaf number , fresh and dry weight of shoot and root and total dry biomass increment ) were recorded after three and six months of seed sowing 播種的3和6月后,記錄幼苗大田發(fā)芽、分枝狀況和其他物理生長(zhǎng)參數(shù)(枝條或根長(zhǎng)、活力指數(shù)、莖直徑、葉片數(shù)、分枝或根鮮重和干重、總的生物量干重增長(zhǎng))等。
The results indicated that the plant growth regulator could increase plant height , main root length , lateral root number , root / shoot ratio , chlorophyll content , proline content and the activity of peroxydase ( pod ) , and improve the ability of drought - resistance of soybean seedlings 結(jié)果表明,植物生長(zhǎng)調(diào)節(jié)劑可促進(jìn)大豆幼苗莖葉生長(zhǎng)和主根伸長(zhǎng),增加側(cè)根數(shù),加大根冠比,提高葉綠素含量、脯氨酸含量和過(guò)氧化物酶( pod )活性,從而增強(qiáng)了植株的抗旱能力。
Both species grew poorly in the culture medium absent of salt , especially to a . corniculatum . moderate salt stress ( from 5 to 20 ) can stimulate the growth of both species , and the optimum salinity for growth was from 10 to 15 . when the substrate salinity was higher than 30 , stem height , root length , dry mass increment , net photosynthetic rate fell remarkably for both species 溫室內(nèi)人工鹽度梯度栽培下,木欖幼苗地上、地下部分形態(tài)和生物量的增長(zhǎng)均表現(xiàn)為低鹽促進(jìn)和高鹽抑制,以10 15鹽度下最適合木欖幼苗的生長(zhǎng);鹽度從10增加到50時(shí),木欖幼苗的凈光合速率、氣孔導(dǎo)度和蒸騰速率均隨之下降。
Height , crown amplitude , size of leaves , leaf number , diameter of root , biomass of leave , biomass of root , total biomass and relative growth rate ( rgr ) of c . smyrnioides were all increase with soil water . but it was decreased with soil water for specific leaf area ( sla ) , leaf area ratio ( lar ) , specific root length ( srl ) and root length ratio ( rlr ) 明黨參株高和冠幅、葉片形態(tài)大小、葉片數(shù)、根粗、根體積、葉生物量、根生物量、總生物量和rgr均隨著土壤水分的增加而增大,而sla 、 lar 、 srl和rlr則隨著土壤水分的增大而減小。
2 . all the corresponding parameters of a . sylvestris were similar with c . smyrnioides in procreate period in april . but the parameters of root length , diameter of root , volume of root , leaf biomass , root biomass , total biomass , root mass ratio ( rmr ) and sla had the maximal value in moderate treatment in vegetative period in january 峨?yún)⒌南鄳?yīng)生長(zhǎng)參數(shù)在4月生殖生長(zhǎng)期與明黨參隨土壤水分的變化趨勢(shì)相似;但在1月份的營(yíng)養(yǎng)生長(zhǎng)期,根長(zhǎng)、根粗、根體積、葉生物量、根生物量、總生物量、 rmr和sla均以中度水分條件最大。
The production of wheat is increased by 9 . 6 % under sewage irrigation ; ( 2 ) . dry matter and leaf area index of the wheat is much higher during nourishment growth stage , while dry matter and leaf area index of the wheat under fresh treatment is significant lower during productive growth stage ; ( 3 ) . heave metal from swage enriched in the soil stratum in the depth of 0 - 30 cm , and the root length under sewage treatment is larger than that under fresh treatment . 田間試驗(yàn)表明,在相同試驗(yàn)條件下,污水灌溉與清水灌溉相比: ( 1 )污水灌溉可使冬小麥增產(chǎn)9 . 6 ; ( 2 )作物地上部干物重和葉面積指數(shù),在營(yíng)養(yǎng)生長(zhǎng)階段清水灌溉比污水灌溉值高,而在生殖生長(zhǎng)階段清水灌溉比污水灌溉值明顯降低; ( 3 )污水中營(yíng)養(yǎng)物質(zhì)主要富集在0 30cm土層中,在該土層中污水灌溉的小麥根量比清水灌溉的顯著增多。
When alfalfa were treated with aqueous extract from p . multisectum , the respiratory rate , activities of amylase and proteinase during seed germination and germination rate , root length , shoot height and fresh weight of seedlings were inhibited and this inhibition become stronger as the concentration of aqueous extract increased 經(jīng)水浸液處理后的紫花苜蓿萌發(fā)種子呼吸速率、淀粉酶和蛋白酶活性受抑,種子萌發(fā)率及幼苗根長(zhǎng)、苗高和鮮重下降,并隨處理濃度提高而降低。