row spacing造句
例句與造句
- Test and research of bubble irrigation for field crop planted in wide - row space
大田寬行作物涌泉灌技術(shù)的試驗(yàn)研究 - Experimental study on the no - till wheat seeder with width row space for conservation tillage
保護(hù)性耕作加大小麥免耕播種機(jī)行距的試驗(yàn)研究 - Effects of mode of row spacing on dry matter accumulation and distribution of cotton canopy
株行距配置方式對棉花不同層次干物質(zhì)積累的影響 - The results showed the narrow row spacing can remarkable raise wheat ear numbers and yield
結(jié)果表明，相同基本苗情況下，縮小行距放稀株距均能顯著提高2個(gè)小麥品種的成穗數(shù)，增產(chǎn)顯著。 - Remarkable yield difference was found between the two experimental plots with row spacing of 30 versus 60 cm , the former giving 30 % higher crop
這兩塊行距為30公分和60公分的實(shí)驗(yàn)地中產(chǎn)量有顯著差異，前者高出30 % 。 - It's difficult to find row spacing in a sentence. 用row spacing造句挺難的
- To study the effect of row spacing on wheat yield and its constructed component , two different types of wheat varieties were studied with two row spacings
摘要研究了不同行距對2個(gè)不同類型小麥品種產(chǎn)量及產(chǎn)量構(gòu)成因素的影響。 - A comparison of yield and its components between hybrid rice and conventional rice varieties was made with different seedling quantity and row spacing at transplanting
摘要比較了在不同插秧量和行距配置方式下雜交稻和常規(guī)稻的產(chǎn)量及其構(gòu)成因素。 - The experimental results show that the unsteady flow frequency domain performances of the axial flow compressor will be varied with mass flow , rotating speed , blade row spacing and inlet distortion
實(shí)驗(yàn)結(jié)果表明，工作流量、工作轉(zhuǎn)速、動(dòng)?靜葉排軸向間距以及進(jìn)氣畸變均對壓氣機(jī)的非定常頻譜特性產(chǎn)生影響。 - The compressor exists about 0 . 265 rotor blade converted frequency near stall point , its intensity increases with rising of rotating speed and reducing blade row spacing . the blade row spacing would exert influences on rotor - stator interaction , stability and stall mode
在臨近失速點(diǎn)處，不同工作轉(zhuǎn)速、不同動(dòng)?靜葉排軸向間距均存在約為0 . 265轉(zhuǎn)子葉片折合頻率的特征頻率擾動(dòng)，強(qiáng)度隨轉(zhuǎn)速的上升和軸向間距的減少而增大。 - Through a lot of small scale simulated tests in construction field , this paper systemically analyzed the dependence of the open area and visible depth of blasting craters , the thrown distance and the accumulation state of rock on the row spacing and the column spacing of plane charge
本文通過在施工現(xiàn)場進(jìn)行的大量小型模擬實(shí)驗(yàn)，對平面藥包間、排距與爆破漏斗的開口面積、可見深度、爆巖的拋擲距離和堆積形態(tài)等關(guān)系進(jìn)行了系統(tǒng)分析與研究。 - In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow , rotating speed and blade row spacing , plus inlet flow distortion , and considering aerodynamic characteristics and stability of the compressor , the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies . a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip , middle and hub section , then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機(jī)在工作流量、工作轉(zhuǎn)速及動(dòng)?靜葉排軸向間距變化時(shí)的葉片排流場非定常頻譜特性變化規(guī)律，并耦合進(jìn)氣畸變的影響，同時(shí)與壓氣機(jī)氣動(dòng)性能和氣動(dòng)穩(wěn)定性相關(guān)聯(lián)，作者利用南京航空航天大學(xué)能源與動(dòng)力學(xué)院的低速大尺寸軸流壓氣機(jī)( lsc )試驗(yàn)器，采取在靜子葉片表面埋入動(dòng)態(tài)壓力傳感器的實(shí)驗(yàn)方法，對葉尖、葉中和葉根三個(gè)截面的動(dòng)態(tài)壓力進(jìn)行了測量，獲得了大量的可靠的實(shí)驗(yàn)數(shù)據(jù)。 - 3 . because of the severe occluding of drilling crop leaves , it was difficult to extract shape and texture feature , so a new approach to detect the between - rows weed was discussed on the basis of the position feature , where crop was regularly sown as a constant row space and most weed were distributed on the bare - soil between crop rows during 3 leaves to 5 leaves seedling stage
針對小麥等條播作物田間場景中葉片嚴(yán)重交疊致使形狀和紋理特征提取困難的問題，利用條播作物3 5葉苗期田間場景中作物成行排列、雜草多數(shù)分布于作物行之間的裸土區(qū)的特點(diǎn)，研究了位置特征識別行間雜草的方法。 - Stochastic subspace identification method is the major in this article , and this method is based on the theory of projection of row space , and also uses qr decomposition , svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result
隨機(jī)子空間法是本文的論述重點(diǎn),它運(yùn)用了行空間投影的理論,通過qr分解和svd分解以及最小二乘估計(jì)來識別離散后的系統(tǒng)狀態(tài)空間矩陣,從而得到系統(tǒng)的動(dòng)力學(xué)特性參數(shù),識別精度較高。本文詳細(xì)的推導(dǎo)了隨機(jī)子空間法的理論公式,并編寫出相應(yīng)的matlab程序。 - No matter hybrid rice or conventional rice varieties , erect and semi - erect panicle rice varieties were suitable for equal row spacing cultivation for intercepting mare light at canopy , while curved - panicle rice varieties were for wide - narrow row spacing cultivation for improving light intensities of middle and lower layer leaves
但不同類型品種適宜的栽培方式不同：雜交稻適宜插單苗，而常規(guī)稻適宜插3苗；不論是雜交稻還是常規(guī)稻，直立穗型和半直立穗型品種適宜等行距栽培以減少群體漏光，彎曲穗型品種適宜寬窄行栽培以改善中下層葉片的光照條件。