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古生物学
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古生物学
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古生物学
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palaeontology
古生物学
研究地质历史时期生物的形态、构造、分类、生态、起源、分布、演化、灭绝等规律的学科。地质学和生物学交叉融合的产物。关心地球生命起源、演化特别是辐射演化与灭绝,特定地质事件的发生时限、规模、型式及背景机制,相关地层时代及其精确划分与对比等,一系列与基础理论和应用实践密切相关的重大科学问题。古生物学研究是人类回答地球生物圈来龙去脉的重要且不可或缺的途径。
Biology
palaeobiology
古生物学
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calibrated leak
calibrated manifold
calibrated submanifold
calibrating receiver
calibrating source
calibration
calibration accuracy
Calibration and Measurement Capability
calibration battery
calibration curve
calibration curve method
calibration device of force measuring instrument
calibration device of temperature measuring instrument
calibration field
calibration form
calibration for radio observation
calibration gas
calibration gas generating system
calibration in the radiative calibration site
calibration method of radioactivity instruments
calibration method with auxiliary sound source
calibration method with three reciprocity microphones
calibration model transfer
calibration of airborne radioactivity system
calibration of focal plane position of collimator
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