The futures brokerage firms, which assume the main futures transaction risks, are in the important chain of risk control system.

而期货经纪公司作为风险的主要承担者，在风险控制体系中处于重要地位。

youdao

Control part of the main chain of the transmitter sends out pulses of frequency, duty cycle and sparse modulation and counting and detection distance control.

控制部分主要对发送器发出的脉冲链频率、占空比及稀疏调制和计数及探测距离等进行控制。

youdao

Then this dissertation proposes the main module of a supply chain inventory control system simulation model and analyzes the simulation process of the main events in the model.

提出了供应链库存控制系统仿真模型的主要模块，分析了该模型中主要事件的仿真处理流程。

youdao