conservational
adj. 保存的；守恒的；；油封的
例句
- Starts with Kepler three laws, and analyzes the conservational quantity in this kind of motion.从开普勒三定律出发，分析这类运动中的守恒量。
- Throwing rice seedlings with conservational tillage measures can effectively improve ecological environment, increase the 1000-grain weight and rice yield.免耕抛秧保护性耕作措施能有效改善生态环境，增加水稻千粒重，促进水稻增产。
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