heliography

n. 日光反射信号术, 反光通信法, 照相制版法

释义与例句

n.
  1. 1.

    The scientific study of the sun.

    不可数
  2. 2.

    The art of making a heliograph.

    不可数
  3. 3.

    The system of signalling by heliograph.

    不可数
  4. 4.

    Photography.

    废旧 不可数

词源

From helio- + -graphy.

来源：wiktionary