City traffic network is basic framework of urban spatial form, ration researching traffic network is important aspect of controllable parameter of urban spatial form.

城市交通网络是城市空间形态的基本骨架，交通网络的定量研究是对城市空间形态可控参数研究的重要方面。

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The course construction of mathematics should stress the mathematics rudimentary knowledge and basic skill, strengthen the cultivation of the mathematics ability and ration…

数学课程建设应突出数学化的基础知识和基本技能，加强数学能力和数学理性精神的培养；

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The degradation ration of Direct Fast Scarlet 4bs and Basic Green are up to about 90%, indicating that the sample on the photocatalytic degradation of dyes has a broad spectrum.

其中对直接耐酸大红4bs和碱性绿的降解率最高约达90%，表明样品对染料的光催化降解作用具有一定的有广谱性。

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Tourists get to spend convertible pesos in the city's best stores, while locals are paid in regular pesos, which they can only spend in shops that often lack even the basic goods to which their ration cards entitle them.

CNN: Havana: Living in a time-capsule world