borne 不作“产,生”解的 bear1 的过去分词。★在作“产,生”解时只限于生育(子女等)一义,有以下两种情况:一是用于完成时,置于助动词 have 之后;一是用于被动语态,置于介词 by 之前。 She has borne two children. Two children were borne by her. 她生了两个孩子。
Structure - borne noise calculation radiation by out door cabinet of air conditioning using fem bem 法计算空调机室外机箱结构噪声辐射
Rolling bearings - rolling bearing vibration and noise - part 1 : methods for measurement of structure - borne noise 滚动轴承.滚动轴承的振动噪声.第1部分:结构载振动噪
The influence of structure - borne noise producing by the thickness of cabinet is disgusted , providing a good basis for the optimize design of outdoor cabinet of air conditioning 在此基础上讨论了机箱板厚对噪声辐射特性的影响,为空调机箱的优化设计提供了可靠的基础。
Reciprocating internal combustion engines - test code for the measurement of structure - borne noise emitted from high - speed and medium - speed reciprocating internal combustion engines measured at the engine feet 往复式内燃机.在发动机底座处测量由高速和中速往复式内燃机产生的结构噪声的试验规程
Reciprocating internal combustion engines - test code for the measurement of structure - borne noise emitted from high - speed and medium - speed reciprocating internal combustion engines measured at the engine feet 往复式内燃机.在发动机底座处测量的由高速和中速往复式内燃机产生的结构噪声的试验规程