前沿❶forward position
❷frontier
～防御frontier defence/～技术frontier science and technology;leading-edge technology/～力量forward-deployed forces;forward deployment /～领域的基础性研究basic research in fields on the cutting edge of science and technology/～性、交叉性研究pioneerig and interdisciplonary research /～阵地forward position /～指挥所forward command post |