Transportation costs in central Africa are among the highest on the continent, according to research done in preparation for the Transport and Transit Facilitation project as it is called.
根据 “运输与通行便利化”项目的项目准备研究，中非是非洲大陆运输成本最高的地区之一。
The first is that by interfering with neurotransmitter release by causing an initial facilitation, TSN eventually blocks synaptic transmission at both the neuromuscular junction and central synapses.
第一，川楝素以先易化后抑制的双相作用干扰神经递质释放，阻遏神经肌肉接头和中枢神经突触的突触传递。
The first is that by interfering with neurotransmitter release by causing an initial facilitation, TSN eventually blocks synaptic transmission at both the neuromuscular junction and central synapses.
第一，川楝素以先易化后抑制的双相作用干扰神经递质释放，阻遏神经肌肉接头和中枢神经突触的突触传递。
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