篩上分佈 的英文怎麼說
中文拼音 [shāishàngfēnbù]
篩上分佈
英文
oversize distribution-
A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated
通過利用gps及漁探器實測，並進行潮位訂正，獲得南通淺海海域大量測點的高程資料；通過對多時相各通道noaa衛星照片進行篩選，挑選能反映淺海地貌的通道資料，從中讀取各測點相對應的灰度值，在此基礎上利用分級線性回歸，建立不同高程范圍內的高程、灰度線性回歸方程，確定不同高程的灰度閾值，從而測量出南通市淺海海域不同高程以上的潮間帶面積、分佈。Biodiversity exists among am fungi and is influenced by numerous factors including soil properties and plant species. if am fungi are to be used in sustainable agricultural systems it is necessary to study native am fungi in the target areas and then select efficient isolates that can be applied as inocula in the field to improve crop growth. the objectives of this study were to investigate the germplasm of am fungi, to understand the distribution pattern of am fungi in different ecological conditions such as area, soil factor and host plant, to select isolates effective in nutrient acquisition by the host plant sweet potato, to test their effectiveness under field conditions, and to monitor amf after their introduction into the field
本研究通過調查我國北方部分地區的am真菌資源，研究了am真菌的種群組成及其在空間、土壤利用方式和宿主植物類型等不同環境條件和空間尺度上的分佈規律；在此基礎上，根據它們對甘薯的生長、吸磷效應篩選出高效菌株，在大田條件下研究了am真菌菌絲的分佈特性、代謝活性及其對甘薯產量和品質的影響；並通過分子探針跟蹤調查了引入am真菌在共生體中的發育和表達，以期為菌根真菌的生產應用提供技術支持。In order to fast culling invisible data and make result of progressive rendering reasonable, a sequential coded quardtree is built with points clouds evenly distributed to nodes of every layer from top to down
該方法通過構建一棵順序四叉樹使點雲均勻分佈在四叉樹節點上，來實現快速的數據篩選。Via accidental sampling, i made an investigation to the status quo of the employee turnover of chinese enterprises. the sampling consists of 1, 432 resumes including 1, 001 online resumes from 100, 000 and 431 from 800 personnel files of the company i am serving now. the objects cover people from all provinces and at the age of 16 - 65
取樣包括對10萬份網上簡歷進行篩選（依百分之一的比例） ，獲得1001份樣本，還包括從自己所在企業的人才庫（ 800份簡歷）中獲取的431份樣本，共1432份（取樣覆蓋全國各省、市，年齡分佈16至65歲間） 。分享友人