稀疏區 的英文怎麼說
中文拼音 [xīshūqū]
稀疏區
英文
rarefied area-
This is called a rarefaction and is represented by widely spaced dots.
這個區域稱為稀疏區,並用疏散的小點表示。The main factors influencing maternal mortality were institutional delivery rate, population density, percentage of minority population, and percentage of village without village doctor
結論降低孕產婦死亡率應把重點放在人口稀疏、少數民族人口多的地區,強調提高住院分娩率是降低孕產婦死亡率的重要措施。These are the material bases for the desertization expanding that the earth ' s surface vegetation is sparsed, made - ups material is loosed, and sand source is abundant in mu us region
毛烏素地區地表植被稀疏、組成物質鬆散、沙源豐富,為沙漠化擴展提供了物質基礎;而乾旱多風的氣候是沙漠化發展的重要因素之一。The areas of transgression are indicated by wide spacing of the thickness contours.
稀疏的等厚線代表海侵區。With continuous maintenance and improvements, the government could also supply water to areas less densely populated, and districts further afield, such as chai wan, ap lei chau and stanley. by the 1930 s, with the completion of various major reservoirs, the water supply network had reached a satisfactory standard. in the early half of the 20th century, the government decided to develop the kowloon peninsula, in order to ease the pressure from the increasing population
一些人口較稀疏,地處偏遠的地區如柴灣、鴨利洲、赤柱等地,也因多個大型水塘的落成,紛紛於二十世紀上半期獲得自來水的供應,港島的供水網路,大抵於二十世紀三十年代,自香港仔水塘建成后,發展得相當完善。8 ndvi value in oasis is significantly higher than the value in desert, both of them have different rules in monthly variation. irrigation temperature and precipitation have effect on variation of ndvi in oasis, the correlation coefficients of sparse vegetation ndvi in desert with climatic and hydrological factors are insignificant and meaningless in practice. the drive factors of oasis ndvi are only adapted on oasis in arid land and are not fit to desert system in arid land
8 、綠洲ndvi值顯著大於荒漠,二者具有不同的季節變動規律;灌溉、氣溫和降水是綠洲ndvi變化的驅動因子,荒漠稀疏植被ndvi與綠洲氣侯、水文因子相關不顯著或無實際意義;綠洲ndvi的驅動因子只適用於乾旱區的綠洲區域,而不適用於乾旱區荒漠系統。A novel and efficient dense matching method is proposed, which is based on the propagation by the voronoi decomposition of the images. the significant merit of the algorithm is that it can be applied to a wide range of image pairs including those with large disparities, with or without rectification
提出了一種基於圖像劃分的傳播式稠密匹配演算法,該演算法不僅適用於未經校正的圖像對,而且適用於存在大視差的圖像對,以及圖像中紋理稀疏的區域。For the sake of sparseness of edge pixels, the matching area may big enough to find an accurate corresponding edge pixel
由於邊緣點的稀疏,匹配時選用的區域可以大些,可以得到準確的匹配點。The fft of helmholtz equation on the regular domain is studied. and the multifrontal algorithm is used to solve the matrix equations in computational electromagnetics. finally, the finite - difference approximate forms of maxwell equations and the despres transmission condition are discussed
為了充分提高演算法的計算效率,研究了規則區域上helmholtz方程的fft快速演算法,以及有效地將多波前演算法引入計算電磁學領域用於求解差分稀疏矩陣方程。The region, a 900 - mile ( 1, 450 - kilometer ) arc of 76 sparsely populated atolls and two islands, is one of the world ' s primary producers of cultured black pearls
這片900英里的弧形區域由稀疏分佈的76個環礁和2個島嶼組成,它也是世界上主要黑珍珠產地之一。Many years ago, the district was a rural area sparsely populated by natives of panyu and hakka origins
本區多年前主要為一鄉村地帶,人口稀疏,居民大多為番禺及客家人。As the car crossed the zone of scattered dwellings that separated oakland from berkeley, he kept a lookout for a familiar, two - story building along the front of which ran the proud sign, higginbotham s cash store
汽車經過奧克蘭和伯克利之間那個住宅稀疏的地區時,他一直在注意一幢熟悉的一樓一底的建築,樓前有一塊神氣十足的大招牌:希金波坦現金商店。It is a new truly mesh - less method, because the background cells for integration are not needed. it uses the weighted function of gaussian or of spline as a test function of the weighted residual method
這種方法採用高斯權函數或樣條函數作為加權函數;同時這種方法只包含中心在所考慮點處的規則局部區域上以及局部邊界上的積分;所得系數矩陣是一個帶狀稀疏矩陣。Both temporal and spatial views are taken account into creating sparse position number, lifespan and other node properties for every document node in the tree document structures of z - office. and a new algorithm based document update maintenance is proposed and implemented in the system. with the support of these works, z - office can retrieve all versions efficiently and quickly
具體來說就是利用空間性和時間性的概念,針對z - office文檔,為其樹形文檔結構上的每個節點位置進行稀疏編碼並賦予節點生存區間以及其它一些附屬信息,然後在文檔增量存儲上使用了本文提出的文檔更新維護演算法,使得改進后的方案不需要往前或往後推算即可直接獲取任意版本的z - office文檔。分享友人