The cost differential between fossil-fuel-generated energy and some alternatives is already small, and is likely to come down.
化石燃料产能同某些替代途径产能在成本上的差距已经很小，而且可能会继续缩短。
The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator and so on.
接收部分主要是扩频系统的数字下变频、积分清洗、匹配滤波器解扩、功率检测、符号跟踪、差分译码等技术。
The neotectonic movement types are divided into differential up-down motion, tilted and break down movement.
新构造运动的类型有差异升降运动、掀斜和拗折运动。
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