碎石路

"In the early 19th century invention of macadam road construction provided a quick and durable method for building roads, and asphalt and concrete also began to be used."

在19世纪早期，碎石路修建技术的发明建造了一种快速持久的道路，也开始利用沥青和水泥。

The most popular terrains for mountain biking are rocky roads, gravel road and inhospitable tracks.

最流行的地形适合骑山地自行车的岩石路，碎石路，荒凉的轨道。

About 250km (150 miles) to the north, in neighbouring Shanxi province, in Pingdong, a much poorer village, 250 people live along battered dirt roads, and try to grow wheat, corn, soyabeans and winter melon on the dry, rocky mountain land.

远在以北250公里以外的山西省，有一个名叫平东的村庄。250名村民生活较为穷困，他们在碎石路旁边的干燥多石的山地上种植上的的小麦、玉米、黄豆和冬瓜，以此为生。

He feels convinced every minute that the whole concern is going over, a conviction which becomes especially lively whenever a ditch or a stretch of newly macadamized road comes in sight.

你会确切地感受到每一分钟都必须小心谨慎，每当一条沟渠或是一段碎石路出现在面前，这种感觉就变得格外活跃。

Rock, sand and gravel: These surfaces are highly durable and can tolerate repeated trampling and scuffing.

岩石，沙子和碎石路：这些地表有高度的耐久力，能忍受重复的践踏和擦磨（然而，生长在岩石的青苔却很脆弱经不起重复的擦磨

A series of test are carried out to analyze the characteristics of high temperature rutting, low temperature crack resistance,water stability, fatigue resistance and skid resistance of stone mastic asphalt mixture, stone asphalt concrete and dense graded asphalt concrete. The results show that the pavement performance of SMA is super to the others.

摘 要：通过对沥青玛蹄脂碎石混合料、多碎石沥青混凝土、密级配沥青混凝土进行的一系列路用性能试验研究，包括高温变形特性、水稳性、低温抗裂性、抗疲劳特性以及抗滑特性试验，结果表明沥青玛蹄脂碎石混合料具有优良的路用性能。

Appa rent temperature is obtained from antenna temperature through the inversion of t he integral equation. The brightness temperature is...

并给出了用该方法建立的混凝土路、沥青路和碎石路的微波辐射特性实验模型。

With a sudden turn we left the pavement and roared up a rain-soaked gravel street.

一个急转之后，我们离开了人行道，轰叫着开上了浸透雨水的碎石路。

With a sudden turn we left the pavement roared up a rain-soaked gravel street.

一个急转之后，我们 sSBbWw 离开了人行道，轰叫着开上了浸透雨水的碎石路。

Dad checked the luggage and placed the ticket in Jennifer's hand. The train was coming.

他们走过碎石路，来到站台，爸爸托运了行李，将车票放到了詹妮弗手里。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。