雜草率 的英文怎麼說
中文拼音 [zácǎolǜ]
雜草率
英文
the rate of weeds-
Test method for the percentage of burry and impurities in mohair
洗凈馬海毛含草雜率試驗方法Test method for the percentage of burry and impurities in scouredscoured mohair
洗凈馬海毛含草雜率試驗方法Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.
除草劑比清耕消除雜草成本低,效率高。A sloppy control is inequitable, as large companies can find their way through the labyrinth of regulation fairly easily.
草率的管制是不公平的,因為大公司都能輕而易舉地從錯綜復雜的規章條例中找到自己的出路。In this paper, observation was conducted on pollen germination and growth behavior in distant hybridization between cerasus fruticosa and c. avium and hybridization between varieties in c. fruticosa through fluorescent light system of microscope. the results showed that pollens could normally germinate and pollen tubes could reach ovary through style to completed fertilization in intraspecific hybridization in c. fruticosa. the average fruit - set rate was 27 %
通過對草原櫻桃與歐洲甜櫻桃種間遠緣雜交及草原櫻桃品種間雜交后花粉管行為的熒光觀察發現,草原櫻桃品種間雜交授粉后花粉在柱頭上能正常萌發生長,花粉管沿花柱到達胚珠完成受精過程,平均座果率為27 。The correctness is over 99 %. ( 5 ) shape features studied were aspect, first invariant central moment, elongatedness, roundness, circularity and thickness. aspect and first invariant central moment are the most effective shape features for identifying monocotyledonous weed from dicotyledonous weed, and the correctness was 93 %
( 4 )利用修正的色度公式,由判別分析法確定色度閾值,對雜草圖像進行閾值分割,能夠有效地識別植物與非植物背景,正確識別率在99以上,但色度的計算量大於過綠特徵的計算量,不利於雜草識別速度的提高。( 2 ) after statistical experiment on color indexes of weed images which were acquired in various illumination intensity, soil humidity and remains coverage, it pointed out that hue and relative color index are insensitive to illumination intensity, soil humidity, remains coverage and shadow, hue and excess green have a distinct contrast between plant and non - plant, but can not be used to identify corn and seed
( 2 )利用自行開發的aoi (感興趣區域)工具,通過對不同土壤濕度、光照強度和殘茬覆蓋率下的雜草圖像進行顏色指數測定與分析,指出色度及過綠特徵對光照強度、土壤濕度、殘茬覆蓋率、植物陰影的影響不敏感,且在植物與非植物之間存在足夠的對比度,但不能用於玉米與雜草,或闊葉雜草與窄葉雜草的識別。In the process of threshing, the significance of factors, which influence threshing performance, not only include some certain factors such as feed quantity, cylinder rotary speed, distance between cylinder and concave, thresher concave radian but also include some uncertain factors such as the crop ' s variety, water content and the proportion of cereal straw. for this reason, the seed - husking plant is system with a character of uncertain, multi - input - output and complex nonlinear
脫粒裝置的工作過程極為復雜,影響脫粒性能的因素很多,除了喂入量、滾筒轉速、凹板長度與入口間隙等確定性因素外,還有作物品種、作物含水率以及穀草比等一些不確定性因素,因此脫粒裝置是一個具有不確定性、多輸入多輸出的復雜非線性系統。A program was set up using visual basic 6. 0. the results show that the visible fruits under direct sunlight or backlighting condition were identified with an accuracy of 100 %, however, intense background sunlight will cause poor fruit illumination and poor segme ntation results. it is widely known that there is thermal radiation difference between citrus and leaves
分別在順光條件和背光條件下進行了試驗分析,結果表明該識別模型可以實現對樹上可見的柑桔的識別,並適用於單個和多個果實的識別,識別率為100 ,但在順光條件下,當背景(雜草)反射光較強時,則存在混淆區域。Terrestrial plants are classified into three major photosynthetic types, namely, c3, c4 and crassulacean acid metabolism ( cam ) plants, according to the mechanism of their photosynthetic carbon assimilation. c4 plants have co2 concentrating mechanism and higher photosynthetic efficiency than c3 plants, especially under high light intensity, high temperature, high oxygen partial pressure and drought conditions
本研究利用c _ 3植物、 c _ 4植物、旱稻與稗草等的雜交後代的材料,進行光合速率的測定,進一步分析植株在光能吸收傳遞、氣孔調節、羧化反應等生理特性,研究高光效的生理機制。All the intricate problems with which we still struggle today were met by swift and shallow solutions.
所有我們今天尚待努力解決的一切復雜問題當時都迅速而草率地予以解決了。The network classified over 90 % of the weed from corn seedling. and the influence of learning error and the number of hide layer nodes on network performance was also studied
試驗結果表明,形狀識別神經網路能正確識別玉米、闊葉雜草與窄葉雜草,識別正確率在90以上。One promising way of solving the problem is to study and apply the intelligentized variable herbicide machine. the intelligentized variable herbicide machine can sense the density and location of weeds, and spray herbicide according these. so it can alleviate the harm of weeds, reduce cost and protect environment effectively
智能化變量噴藥機是指藉助于計算機視覺技術,識別出雜草覆蓋率並確定雜草的位置,有針對性地噴灑除草劑,這不僅能有效的減輕草害,而且能大大節約除草劑的使用,降低投入,還能保護生態環境。Hc agreed at the meeting on 26. 4. 02 to set up a bills committee to scrutinize the mpf schemes amendment bill 2002, the principal objects of which were to revise the minimum level of relevant income for mpf contributions from 4, 000 to 5, 000 and to introduce a number of miscellaneous amendments to the ordinance and its subsidiary legislation to enhance the efficiency and effectiveness of the mpf system
在2002年4月26日的會議席上,內務委員會同意成立法案委員會,以便審議2002年強積金計劃修訂條例草案。條例草案的主要目的,是把強積金供款的最低有關入息水平由4 , 000元調整至5 , 000元,並就該條例及其附屬法例提出多項雜項修訂,以提高強積金制度的運作效率和效益。分享友人