dynamic adj. 1.动力的,动力学的;力学(上)的;动(态)的;起动的。 2.有力的,有生气的;能动的;(工作)效率高的。 3.【音乐】力度;强弱法的。 4.【医学】机能(上)的。 5.【哲学】动力论的,力本论的。 a dynamic personality 活跃的性格。 a dynamic atmosphere 生气勃勃的景象。 a dynamic population 动态人口。 n. 〔限指 dynamic〕 (原)动力;动态。 adv. -ally
at a loss 不知所措,困惑;亏本地; 不知怎办; 亏本的,茫然不知所措的; 困惑, 亏本地; 困惑,不知所措; 困惑,不追所措,亏本地; 困惑;茫然不知所措; 困惑不解,茫然不知所措; 茫然不知所措
loss n. 1.丧失;丢失,遗失。 2.减损,损失,亏损(额);损耗;减少,下降。 3.失败;输掉。 4.错过;浪费。 5.损毁;【军事】伤亡;〔pl.〕 伤亡及被俘人数。 loss of sight 失明。 copper loss【电学】铜耗。 core [iron] loss【电学】铁耗。 a dead loss净亏,纯损。 an idling loss空转损耗。 a total loss总损失。 His death is a great loss to the country. 他的死是国家的大损失。 profit and loss盈亏。 suffer heavy losses 遭受重大损失。 loss of pressure 压力下降。 loss in weight 重量[体重]减少。 loss of weight 失重。 the loss of a war 战败。 loss of opportunity 错过机会。 at a loss 1. 无办法,为难 (I am at a loss what to do. 我就是不知道怎样办才好)。 2. (猎犬)失去猎物嗅迹。 3. 亏本地 (sell sth. at a loss赔本卖出某物)。 cut a [the] loss 赶紧脱手以免多受损失。 for a loss 处于苦恼中 (throw them for a loss 使他们苦恼)。 make a loss 亏损。 without (any) loss of time 即刻,马上。
The dynamic mechanical behavior of the polymer composites , dynamic storage modulus ( g ' dynamic loss modulus ( g " ) and loss tangents ( tans ) , have been studied in this paper . for different ceramic , the higher structure of the ceramic filler is , the high value of tan8 is 研究了压电陶瓷/聚合物复合体系的动态力学,发现压电陶瓷在聚合物中的分散状况和与聚合物间的相互作用,直接影响复合体系内耗( tan6 )和动态模量( g , , g ? )的大小。
4 . taking example for dimension accuracy , and applying modem mathematical methods such as time series analysis , grey system theory and artificial neural network theory , the mathematical models of dynamic loss of manufacturing accuracy are established . the comparison of the accuracy of each model is made by illustrations 以尺寸精度为例,分别应用时间序列分析、灰色系统理论及人工神经网络原理等现代数学手段建立了加工精度动态损失的数学模型,通过实例进行了各种模型精度的比较。
The linear viscoelastic behavior of melts for nanocomposites with different content of montmorillonite modified by cetyltrimethylammonium bromide and octadecyltrimethylammonium bromide was studied . the results obtained through examining the dynamic storage module g " , dynamic loss module g " and stress relaxtion module g ( t ) of the composites revealed that the linear viscoelastic properties of composites strongly depended on the loadings of montmorillonite exfoliated into the composites 在蒙脱土含量低至3叭%时,体系低频率区域(末端区域)的动态模量出现近似于固体的粘弹行为尸类固( solid - li毅的”行为) ,模量对频率依赖性降低甚至无依赖性。