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- Multistage sampling in forest inventory is not restricted to fixed-area sampling units. 森林資源清查中,多階抽樣并不局限于固定面積的抽樣單元。
- Methods A total of 550 students in 4 junior schools were sampled with multistage sampling and surveyed. 方法通過(guò)多級隨機抽樣抽取濟南市4所初中550名初一學(xué)生,采用問(wèn)卷調查。
- Methods: 2807 subjects were randomly selected from four districts in Anshan by multistage sampling method. 方法采用多級抽樣方法對鞍山市4個(gè)區共2807名居民過(guò)去1a中的傷害情況進(jìn)行回顧性調查。
- What I need is nothing but a sample. 我需要的不過(guò)是一件樣品而已。
- The nurse took a sample of my blood for tests. 護士抽了我的血樣去化驗。
- Airmail revised price list but full range sample within fortnight. 航空寄上訂正價(jià)格表,全套樣品兩周內寄出。
- His job is to sample products for defects. 他的工作是抽樣檢查產(chǎn)品的瑕疵。
- He sent me a sample copy of the book. 他寄給我一本樣書(shū)。
- He dipped into the bag and brought out a handful of sample wheat. 他把手伸進(jìn)袋里,取出一把小麥樣品。
- A multistage rocket projects missiles into space. 多段式火箭把導彈發(fā)射至空中。
- A style or individual sample of writing. 筆跡個(gè)人的書(shū)法筆跡或風(fēng)格
- Design of Multistage Power Amplifier in Ku Band. Ku波段多級功率放大器的研制。
- This paper studies a multistage survival model. 分階段生存模型的均衡保費計算。
- Thousands of people have written in to us for a free sample. 現已有數千人給我們來(lái)信索要免費樣品。
- I have forwarded you by rail the sample you write for. 我已經(jīng)把您寫(xiě)信索要的樣品通過(guò)鐵路送給您。
- You must send some sample to the customer before you go abroad. 在你出國之前,應該先寄給客戶(hù)一些樣品。
- 2807 subjects were randomly selected from four districts in Anshan by multistage sampling method. 方法采用多級抽樣方法對鞍山市4個(gè)區共2807名居民過(guò)去1a中的傷害情況進(jìn)行回顧性調查。
- multistage sampling in forest inventory is not restricted to fixed-area sampling units 森林資源清查中,多階抽樣并不局限于固定面積的抽樣單元。
- The distributor look with favor on your sample shipment. 您發(fā)來(lái)的樣貨得到了經(jīng)銷(xiāo)商們的贊許。
- Write now to this address and we will send you a free sample by return. 按此地址函索即免費寄奉樣品。