exchange of material的意思|示意

It is then presumed that the upper -mantle beneath the Qaidam Basin is rigid, where there is no exchange of hot material.

推测柴达木盆地的上地幔中没有热物质的交流，为刚性岩石圈。

Both parties will re-negotiate the price BCS of the raw material price fluctuating exchange rate alternating and market price exceeding certain range.

原材料价格波动调整，汇率变动，产品市场价格变化超过一定限度，双方会对产品价格重新协商。

The special meanings of the network are different from any material medias in the past. It mainly lies in its fictitious situation, freedom and reciprocal exchange.

网络媒介具有不同于以往任何物质载体的特殊意义，这主要在于它的虚拟性、自由性和互动性。

Ion exchange resin is a very important material in the process of boiler water treatment for the heating and power plant, which takes coal as its fuel.

在以燃煤为主的热电厂锅炉水处理过程中，离子交换树脂是一种很重要的原料。

This paper also about the choice of material, the design of frame, and the problems should be noticed in maintenance, repair, type exchange and sale.

以绿色设计作为基本出发点探讨材料的选择、结构的设计等，以及维护、修理、换型、销售各环节中应注意的问题。

The exchange of commodities is the major cause for the output and input of energy and material between agro-ecosystems.

商品交换是造成农业生态系统间的能量和物质输出及输入的主要原因。