In modern wireless communication system, the direct RF-modulation for transmitting signal is a new developing trend of RF radio.
在现代无线通信系统中，对发射信号进行直接射频调制已成为射频无线电的发展趋势。
On the basis of foreign information, the new developing trend of supercritical carbon dioxide extraction (SC-CO_2) in natural spices was summarized in this paper.
笔者根据国外的有关资料，综述了超临界二氧化碳(SC—CO_2)在天然香料生产中研究开发的新动向。
The new developing trend of PVC and assistant for PVC-U profile for door and window is introduced, meanwhile, the choosing of raw materials and formulation design are discussed.
介绍了挤出PVC-U门窗异型材用树脂及助剂的最新开发动态，并对原料选用、配方设计进行了探讨。
The new developing trend of PVC and assistant for PVC-U profile for door and window is introduced, meanwhile, the choosing of raw materials and formulation design are discussed.
介绍了挤出PVC-U门窗异型材用树脂及助剂的最新开发动态，并对原料选用、配方设计进行了探讨。
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