For enhancing precision of serial port communication, the checking method of repeated handshaking with time limit is stated. The reliability of communication is analyzed by simulation.
提出了一种提高串口通信准确性的校验方法即带时限多次握手技术，并对通信的可靠性作了仿真分析。
First, it is a selection type designing of steel-cored belt conveyor, this part of program let computer finish large quantity of repeated calculating, proofing, checking table and selecting and so on.
首先对钢绳芯带式输送机进行选型设计，使大量重复的计算、校核、查表、选型等繁杂的工作用计算机来完成。
This paper also presents a reduction factor of strength required for checking shock strength based on the test results of embedded elements under low period repeated loading.
文章还根据预埋件在低周反复荷载作用下的试验结果，提出了在进行抗震强度验算时所需的强度折减系数。
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