密度 1.(密集的程度) density; thickness 火力密度 density of fire; 兵力密度 density of troops; 那个国家的人口密度为每平方英里685人。 the population density of that country is 685 per square mile.2.[物理学] (物体的质量和其体积的比值) density 电流密度 current density; 海水密度 seawater density; 水银的密度比水大得多。 mercury has a much greater density than water.; 密度计 densimeter; densitometer; density gage; density indicator; gravitometer
With its advanced transportation network , taicang has the complicated highway in jiangsu 交通十分发达,高等级公路密度列全省之首,更拥有自己的港口。
The city owns nearly 12 , 000 kilometers of standard urban - rural roads . the density of roads is 0 . 75 kilometers per square kilometer 北京城乡标准公路总长近1 . 2万公里,公路密度每平方公里0 . 75公里。
Today , the mileage of highways , of expressways and of highway density in guangdong all rank ahead of other provinces in china 今日的广东城乡公路通车总里程、高速公路、公路密度等均居全国前列。
Road density in the region averages 7km per sq . km , much lower than the average of 29km per sq . km in coastal region 西部地区的公路密度为平均每平方公里有7公里公路,远较沿海地区平均每平方公里有29公里公路为低。
Expressways , state , provincial county and village highways reach all places . the highway density ranks in the forefront of the mountainous areas in the province 境内高速公路,国、省道,县、乡道四通八达,公路密度位居全省山区市前列。
The highway traffic mileage is 7 , 934 km , of which expressway is 38 km , grade i highways 290 . 8 km , grade ii highways 1 , 028 . 4 km , with a highway density of 69 . 2km per hundred square km 全市公路通车总里程7934公里,其中高速公路38公里,一级公路290 . 8公里,二级公路1028 . 4公里,公路密度为每百平方公里国土69
The mileage of highway has reached 1 , 114 , 600 miles , with a highway density of 62 kilometers hundred square kilometers . besides , the mileage of expressway totals 2 , 520 kilometers , covering all the 21 above - prefecture - level cities 146万公里,公路密度达62公里百平方公里,高速公路通车里程2520公里, 21个地级以上市全部通高速公路。
Based on a farm - households data set collected in three counties from shaanxi province , this investigation shows that the supply of rural road infrastructure in sample counties accommodates to some extent the needs of local social and economic development , and that the comparatively higher road intensity provides basic conditions for the improvement of mobility of farm households 本研究通过对陕西省3个贫困县的农户调查研究发现,样本县的农村公路基础设施供给在一定程度上与当地的社会经济发展状况相适应,相对较高的公路密度为农户的流动提供了较好的基础条件。
No . 324 ( fuzhou - kunming ) national highway and silian highway ( sihui - lianzhou ) , which joint up the guangmao ( guangzhou - maoming ) railway and the xijiang , suijiang watercourses , traverse the whole city , now the city has got a total highway mileage of 5602 km and on average there are 38 . 3 km of highway in every sq 公路国道321线(广州至成都) 、 324线(福州至昆明) 、四连线(四会至连县)纵横全境,与广(州)茂(名)铁路和西江、绥江水道交汇。全市公路总里程5602公里,公路密度为每百平方公里38 . 3公里。