The trend of a line is the azimuth of its horizontal projection, measured toward the end of the line that points downward. Its plunge is the angle between the line and the horizontal, measured in the vertical plane that contains it. A line plunging toward is written .
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা
Trend and plunge কী?
অন্য নাম: trend (of a line) · plunge