傻傻的双子
长期性;非周期性 secular长期性变化 secular change长期性故障 chronic troubles长期性能 long-term behaviour; long-term performance长期性倾销 long term dumping长期性缺陷 defect chronic长期性失业 chronic unemployment长期性自卑 chronic low self esteem长期性的故障 chronic troubles长期性的融资工具 permanent funding vehicles长期性浮游生物 permanent plankton; permanently plankton长期性人力需求 long term manpower demand长期性通货膨胀 secular inflation长期性重力变化 secular gravity variation长期性和深层次矛盾 longstanding and deep-seated problems