Ground handling for sea - air cargo : as the ground handling agent （ gha ） for the sea - air cargo ， xiamen penavico logistics co . , ltd is dedicating her efforts to making sea - air channel smooth and rendering her best service to the customers 三.海空联运业务：作为海空联运货物的操作平台，外代仓储着力保持海空联运通道的顺畅并为客户提供优质服务。
2.
Adopt two neural networks ; using principal component analysis based neural network ( gha ) to acquire three principal components and using simulated annealing ( sa ) and bp network to class and recognize the marrow cells 采用两级神经网络，利用基于神经网络的gha算法获得图象的三个主分量，然后采用模拟退火算法和bp算法进行细胞的分类识别，获得了较好的识别效果。
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