String.pos (target [, n]) Finds target in string; 0 if not found "1234".pos (" 23 ") returns 2.
pos (target [,n])在字符串中查找指定子串,如果没有找到则返回0 “ 1234 ” .pos(“23 ”)返回2。
According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.
根据目标、背景干扰和噪声在红外序列图像中的差异,提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。
The main content as follows:(1) The yields of optimized N fertilization treatment and conventional N fertilization treatment were no significant differences and all achieved target yield.
研究结果如下:(1)优化施氮处理的棉花产量和传统施氮处理相比无显著性差异,且都达到了目标产量;
Only target bearings could be obtained from passive sonar in general, the typical method used to determine target motion parameters is the"n-bearings"method.
被动声纳观察目标一般只提供目标的方位,基于声纳方位解算目标要素的传统方法是纯方位解要素法。
At last, the target product 4-Hydroxypyridine was gaven by reduction of 4-Hydroxypyridine N-oxide using zinc and Ammonium Formate as catalysts.
然后脱硝基得到4-羟基吡啶-N-氧化合物,最后用锌和甲酸铵还原4-羟基吡啶-N-氧化合物得到产物4-羟基吡啶。
The target product from ester synthesis reaction is ethyl acetate or n-butyl acetate.
酯合成反应的目标产物为乙酸乙酯或乙酸正丁酯;
The target product from ester synthesis reaction is ethyl acetate or n-butyl acetate.
酯合成反应的目标产物为乙酸乙酯或乙酸正丁酯;
应用推荐