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- Utilizing peculiarities of platform cluster well groups the cross operation technique of riser pipe, surface and oil formation is executed to improve drilling efficiencies. 充分利用平臺叢式井組特點(diǎn)，施行隔水管、表層及油層交叉作業(yè)工藝，提高了鉆井效率；
- The genetic algorithm model adopts some cross methods such as downwards extrapolate,upwards extrapolate and nonuniform cross operator. 在遺傳算法模型中采用了向下、向上外推和非一致雜交算子等交叉技術(shù),并結合內插、交換等多種技術(shù)形成綜合交叉方式。
- The symbol encoding style what was needed for the optimization apportion model was solved, and selection operator, cross operator and mutation operator were designed concretely. 解決了優(yōu)化分配模型所需的符號編碼方式，并給出了相關(guān)的選擇、交叉、變異等遺傳算子的具體設計。
- So crossing operation shou ld be taken w ith fish ing m agnet and recyc le fish ing basket in one well repairing operating. 每口井需要用強磁打撈器和循環(huán)打撈籃進(jìn)行多次交叉作業(yè),每次打撈出的數量少,效率低,且打撈很不徹底,導致后續工序進(jìn)行困難。
- It is rash to cross the street without looking both ways. 不朝兩邊看看就穿馬路是莽撞的。
- Cross and angry words in family grate upon the ear. 不高興與生氣的話(huà)在一個(gè)家庭里令人不愉快。
- He's mending nicely after his operation. 手術(shù)后他正在順利康復。
- A mule is a cross between a horse and an ass. 騾是馬和驢交配而生的雜種。
- The Red Cross dealt out food to hungry soldiers. 紅十字會(huì )把食物分發(fā)給饑餓的士兵。
- He is in charge of the operation of the steel mill. 他負責這家鋼廠(chǎng)的經(jīng)營(yíng)工作。
- The bank plan a rescue operation for the company. 銀行計劃對這個(gè)公司采取挽救措施。
- This cross marks the spot where she died. 這個(gè)十字符號標明她死去的地點(diǎn)。
- The operation was a marvel of medical skill. 這個(gè)手術(shù)是醫術(shù)的一個(gè)非凡范例。
- He made expiation for our sins on the cross. 他在十字架上為我們贖了罪。
- An operation is needed to remove your tonsil. 需要進(jìn)行手術(shù)摘除你的扁桃體。
- Mind out for the traffic when you cross the road. 過(guò)馬路要注意來(lái)往車(chē)輛。
- The improved binary version of PSO referenced the crossing operator of genetic algorithm and the worst particle was taken the place of by a new one. 改進(jìn)的二進(jìn)制PSO算法引入遺傳算法的交叉算子，同時(shí)對于種群中適應度最低的粒子，用新產(chǎn)生的粒子代替。
- Passengers mustn't cross the rails. 乘客不得橫過(guò)鐵路。
- The operation went like clockwork. 手術(shù)進(jìn)行得極為順利。
- You had better cross out the last name. 你最好把最后一個(gè)名字劃掉。
