“green period”的概念、定义、翻译、参考文献-科学参考

单词	green period
释义	green period Encyclopedia 农学草坪质量释 green period草坪绿期草坪草生长旺盛，草坪全年保持绿色外观的时期。一般指草坪中草坪草群落的50%返青之日到草坪草群落的50%呈现枯黄之日期间持续天数。也有中国学者认为草坪绿期是指草坪群落中80%的植物返青之日到80%的植物呈现枯黄之日的持续天数。
随便看	rock salt rock salt structure rock sample superconducting magnetometer rock sculptures at Dongfo Valley and Qingtong Mountain of Ji’nan City rock sculptures at Longquan Shifo Temple rock sculptures on Kandeng Mountain rock sculptures on Kongwang Mountain rock seepage deformation experiment rockshaft rock shearing strength rock shear strength experiment rock similarity theory rock slit method experiment rock slope rockslope design rock slope engineering design rock slope engineering disasters rock softening characteristic test rock specific surface area rock strain rock strength rock strength failure criterion rock strength properties rock strength-stress ratio rock stress

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。