Futures market: price of goods, time-trend (Chart), K-line analysis (Fig), the details of the sale, the price of sub-scale, with out-on-demand, the related report.

期货行情：商品报价、分时走势(图)、K线分析(图)、买卖明细、分价量表、自选同列、相关报道。

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Fig. 2b, each of whose time durations or pulse widths represents a group of m data bits, with the alternating high and low pulses representing successive groups.

图2 B串，每个脉冲的持续时间或脉宽表示M个数据位的组，交替的高和低脉冲表示连续的组。

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