| 1. | Results data were combined by means of a fixed - effects model 数据处理采用固定效果模型均值。 |
| 2. | We propose a corresponding empirical model and estimate it using fixed - effects 另外,基于同侪压力可能具有内生性的问题,以两阶段固定效果模型进行检测。 |
| 3. | Growth condition and its sand - fixing effects of artificial cultivated hedysarummaxim in maowusu sandy land 毛乌素沙地人工种植羊柴生长状况及其对流沙的固定效果 |
| 4. | Another method of increasing vortex pinning involves adding microscopic inclusions of some second material such as yttrium oxide or titanium diboride 另一个增强涡流固定效果的方法是加入第二种材料的小颗粒,例如氧化钇或是二硼化钛。 |
| 5. | Aerospace series - elements of electrical and optical connection - test methods - part 512 : effectiveness of non - removable fixing of hermetically sealed connector shell 航空航天系列.光电连接件.试验方法.第512部分:密封连接器外壳上固定件的固定效果 |
| 6. | Conclusion this device solves the problem of additional airway resistance from oxygen supply tube and humidity liquid dropping tube in trachea pipe along with the fixation of respiration detector 结果:经气管切开和气管插管病人应用,给氧、气道湿化、呼吸监测探头固定效果满意。 |
| 7. | Extending the theoretical model of kandel and lazear ( 1992 ) , we find that peer pressure will increase individual broker ' s performance and the effect is reinforced under a bonus scheme 在实证模型中,是以分店内其他经纪人的平均业绩作为同侪压力的代理变数,以固定效果模型进行估计。 |
| 8. | Growth indices of artificial cultivated hedysarummaxim . are studied by line transect methods , species diversity indices are calculated to study the sand - fixing effects of hedysarummaxim 摘要采用样线法对人工种植羊柴进行研究,调查其生长状况,并通过研究其物种多样性来分析羊柴对流沙的固定效果。 |
| 9. | Objective . to determine whether a hybrid construct , using a combination of pedicle screws ( pss ) and lamina hooks , was equivalent to a ps construct , in a short - segment thoracic spine fixation model 目的:测定在混合固定中,联合使用椎弓根螺钉和椎板钩对短节段胸椎进行固定,与单独使用椎弓根螺钉固定,其固定效果是否等效 |