Back-Door selling暗盘销售
back-door dealing走后门
Back-door listing借壳上市
back-door listings借壳上市
back opening door[车辆] 后开门式
back-door deals走后门
Back- door背门
Back-door借壳上市;秘密的
From the results of the static state and the dynamic state analysis, it reflectsthe stress concentration the corner of door plate,and these lead to the problem onthe back door. So we make sure the design of the product is unreasonable.
通过对背门的强度、刚度、模态分析,确定应力集中区域,发现结构刚度薄弱部位,掌握前几阶固有频率,验证结构设计的合理性。
参考来源 - 轻型客车背门外板开裂问题分析研究ADJ（形容词） You can use backdoor to describe an action or process if you disapprove of it because you think it has been done in a secret, indirect, or dishonest way. 不正当的 [ADJ n] [表不满]
Firms are using the programme as a backdoor way to replace domestic employees with cheaper labour.
公司正采取不正当的策略，用廉价劳工来取代本土员工。
N-SING（单数型名词） If you say that someone is doing something through or by the backdoor, you disapprove of them because they are doing it in a secret, indirect, or dishonest way. 不正当、秘密的手段 ['the' N, usu prep N] [表不满]
The government must not use this initiative as a means of resolving the pension problem through the back door.
该政府绝不可使用这种方式，采取不正当的措施解决养老金问题。