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- symmetric Dulling equations 对称Duffing方程
- symmetric Dulling equation 对称Duffing方程
- The dull play seemed to last an eternity. 这场乏味的剧似乎演个没完没了。
- Market dull and slacken no business report. 市场萧条胩衰退，没有有关交易的报道。
- The absence of color in that drawing make it dull. 那幅画因没有着色而显得晦暗。
- The dying fire was throwing out a dull red light. 将要熄灭的火发出暗红色的光。
- I could never do simultaneous equations. 我从来不会算联立方程式。
- The old man's life became dull and colorless. 老人的生活变得呆板无趣。
- I feel a dull pain in the stomach. 我觉得胃部隐隐作痛。
- A person regarded as ungainly or dull witted. 愚笨的人被认为是笨拙的或弱智的人
- He couldn't teach such dull children. 他教不好这样呆笨的孩子。
- He felt a dull ache in his shoulder. 他感到肩膀隐隐作痛。
- He is rather dull in comparison with others. 和别人比较起来，他相当迟钝。
- She took drugs to dull the pain. 她吃了药以减轻疼痛。
- All work and no pay makes Jack a dull boy. 只有工作无工资，杰在也得变蠢才。
- A dull, pedantic speaker or writer. 学究枯燥而迂腐的讲话人或作者
- After each reduction, the remaining equations remain symmetric and banded. 在每次约化后，余下的方程是保持对称和带状的。
- Perhaps his nerve is naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。
- He ploughed through the dull book to the end. 他很费力地把那本枯燥乏味的书看完了。
- He had a dull pain in the chest. 他胸部隐隐作痛。
