重力異常

gravitational anomaly (geology)

to repeat / repetition / again / re- / classifier: layer

heavy / serious / to attach importance to

gravity

power / force / strength / ability / strenuously

different / other / hetero- / unusual / strange / surprising / to distinguish / to separate / to discriminate

exceptional / abnormal / an anomaly

unusual; abnormal / extremely; exceptionally

surname Chang

always / ever / often / frequently / common / general / constant