back extract 中文意思是什麼
back extract
解釋
反萃取-
Answer : have the following kinds : ( one ) the licence of goods of imports and exports that foreign trade management department signs and issue and the other approval document that the country provides ; ( 2 ) shipping order or sheet of pick up the goods, carry sheet ( card of the custom sheet that check and after checking actual goods, discharged chapter give back is built to give on freight bill declare at customs person by with extract or shipping goods ) ; ( 3 ) bill ; ( 4 ) case is single portion ( bulk goods or onefold breed and content can avoid a shipment with the identical content that pack hand in ) ; ( 5 ) decrease duty, duty - free or the proof file of exempt from examinations
答：有以下幾種： （一）對外貿易治理部門簽發的進出口貨物許可證和國家規定的其他批準文件； （二）提貨單、裝貨單或運單（海關核查單證和查驗實際貨物后，在貨運單據上加蓋放行章發還給報關人憑以提取或裝運貨物） ； （三）發票一份； （四）裝箱單一份（散裝貨物或單一品種且包裝內容一致的件裝貨物可免交） ； （五）減稅、免稅或免驗的證實文件。 -
By using both of the two methods, we extract the features of the target images, then we applied the features to the artificial neural networks in the recognition part. we utilize the artificial neural networks method to identify the images in the recognition part. an improved back propagation ( bp ) algorithm was introduced to train the neural network for recognition
在旋轉不變性和特徵提取方面，研究了目標的zernike不變矩方法，並且提出了用小波分析在目標圖像特徵提取方面的應用，分別用zernike矩和小波分析方法提取了目標的特徵值，將兩者提取的特徵值分別作為目標識別分類器的輸入。 -
For cells that are constantly renewed from stem cells, this is relatively easy, because we can extract cells from the individual, do what we want to those cells in the laboratory, check that we ' ve done exactly what we wanted to do, and put them back in
對于能從幹細胞不斷更新的細胞，這比較容易，因為我們可以從該個體提取細胞，讓那些細胞在實驗室中做我們要它們做的事、檢測我們要做的事情正確了沒有、再把它們放回進去。
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