Railways, passenger travel has begun to decline, the return flow gradually increased.

铁路方面, 出行客流已开始下降, 返程客流陆续增多.

互联网

Fourly, We deduce relationship between optimal investment timing, net value with return flow and costs.

另外, 还给出投资时点 、 净收益与收益流、成本流的关系.

互联网

Aescin is being used in brain edema, open injuries, swelling after operations, venous return flow diseases.

七叶皂甙用于脑水肿, 创伤或手术后引起的肿胀; 与静脉回流障碍性疾病.

互联网