“maintenance period”概念、定义、翻译-科学时代

单词	maintenance period
释义	市政工程词汇手册 maintenance period 大中修周期，维修周期
随便看	marginal profit marginal profit marginal profit marginal profit chart marginal profit ratio marginal propensity marginal propensity to consume marginal propensity to consume marginal propensity to consume marginal propensity to consume marginal propensity to consume marginal propensity to consume--marginal propensity to consume (MPC) marginal propensity to consume--marginal propensity to consume (MPC) marginal propensity to consume (MPC) marginal propensity to consume (MPC) marginal propensity to import marginal propensity to import marginal propensity to import--marginal propensity to import (MPI) marginal propensity to import (MPI) marginal propensity to invest marginal propensity to invest marginal propensity to invest marginal propensity to invest marginal propensity to save marginal propensity to save

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

maintenance period