求翻译：建造工程设施的物质基础是土地、建筑材料、建筑设备和施工机具。借助于这些物质条件，经济而便捷地建成既能满足人们使用要求和审美要求，又能安全承受各种荷载的工程设施，是土木工程学科的出发点和归宿。是什么意思？

The material of construction of facilities based on land, building materials, construction equipment and construction machinery. With these material conditions, economic and convenient built not only to meet people's requirements and aesthetic requirements, but also safety engineering facilities to

Construction of the physical infrastructure facilities, land, building materials, construction equipment and construction equipment. With the help of these material conditions, economic and easy to meet people as well as building use requirements and aesthetic requirements, and can withstand the loa

The construction project facility material base is the land, the building material, the building equipment and the construction machines and tools.But with the aid of in these physical conditions, the economy completes conveniently both can satisfy the people operation requirements and the esthetic

Material of construction works is based on land, building materials, construction equipment and construction equipment. With the help of these material conditions, economic and easily built to meet the demands and aesthetic requirements, and security under a variety of loading works, is the starting

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