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The negative stiffness spring and the Euler column spring are connected in parallel at the balance point.The... 导出欧拉压杆力学特性及以欧拉压杆为弹性元件的隔振系统固有频率表达式;
negative stiffness effectiveness 负刚度效应
positive and negative stiffness parallel 正负刚度并联
The thought of my exams next week scares me stiff. 我一想到下星期要考试就很紧张。
The soldier stood stiff as a ramrod. 这士兵站得笔直。
Study on New Type Vibration Isolation System Based on Combined Positive and Negative Stiffness 基于正负刚度并联的新型隔振系统研究
The answer to my request was in the negative. 对我的请求的答复是否定的。
An extremely stiff, erect posture. 过分笔直，僵立的姿态
The stiff stalk of various grasses. 梗草各种草的硬花梗
She cleaned the sink with a stiff brush. 她用硬毛刷清洗水槽。
His answer to my request was a negative. 我的请求遭到了他的拒绝。
She sat there as stiff as a ramrod. 她笔直地端坐在那儿。
The tests for hepatitis were negative. 肝炎检查结果是阴性。
She sat there stiff as a ramrod. 她笔直地端坐在那儿。
Their criticism was not negative. 他们的批评并不是负面的。
He was sitting upright, as stiff as a poker. 他正襟危坐,纹丝不动。
Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
Stir the flour and milk to a stiff paste. 把面粉和牛奶搅成很稠的糊。
He was sitting upright, stiff as a poker. 他正襟危坐,纹丝不动。
That was a shock I need a stiff drink! 这可真吓人－－我得喝点烈酒了。