The OD matrix then has reflected in the specific time interval along with the time variation transportation demand pattern.
OD矩阵则反映了特定的时段内随时间变化的交通需求模式。
The dynamic variation of the Radon-density in soil with the lapse of time has been obtained from surveying at fixed position in Beichuan area along the middle part of the Longmenshan fault zone.
在龙门山断裂带中段的北川地区进行了土壤氡浓度随时间的动态变化定点观测。
The dynamic variation of the Radon-density in soil with the lapse of time has been obtained from surveying at fixed position in Beichuan area along the middle part of the Longmenshan fault zone.
在龙门山断裂带中段的北川地区进行了土壤氡浓度随时间的动态变化定点观测。
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