7. Rust

  • 7.17. Rust generics and characteristics

    Generics are an indispensable mechanism for programming languages. Templates are used to implement generics in C++ languag...
    2025-10-25 13:33:20 UTC
  • 7.18. Rust lifecycle

    Rust lifecycle mechanism is a resource management mechanism as important as ownership mechanism. The reason why this conce...
    2025-10-25 13:33:17 UTC
  • 7.19. Rust File and IO

    This chapter introduces the I/O operation of the Rust language. 7.19.1. Receive command line parameters # Command-l...
    2025-10-25 13:33:18 UTC
  • 7.20. Rust collections and strings

    Collection is the most common form of data storage in data structures. Rust standard library provides a wealth of collection...
    2025-10-25 13:33:21 UTC
  • 7.21. Rust object oriented

    Object-oriented programming languages usually implement data encapsulation and inheritance and can call methods based on dat...
    2025-10-25 13:33:20 UTC
  • 7.22. Rust concurrent programming

    Safe and efficient processing of concurrency is one of the purposes of Rust,which mainly solves the problem of high load bea...
    2025-10-25 13:33:19 UTC
《地理信息系统原理、技术与方法》  97

最近几年来,地理信息系统无论是在理论上还是应用上都处在一个飞速发展的阶段。 GIS被应用于多个领域的建模和决策支持,如城市管理、区划、环境整治等等,地理信息成为信息时代重要的组成部分之一; “数字地球”概念的提出,更进一步推动了作为其技术支撑的GIS的发展。 与此同时,一些学者致力于相关的理论研究,如空间感知、空间数据误差、空间关系的形式化等等。 这恰好说明了地理信息系统作为应用技术和学科的两个方面,并且这两个方面构成了相互促进的发展过程。