1. He had only an imperfect understanding of his task.
   他对自己的任务只是一知半解。
2. Soot is the product of the imperfect combustion of fuel.
   煤烟是燃料不完全燃烧的产物。
3. Soot is usually the product of the imperfect combustion of fuel.
   煤烟通常是燃料不完全燃烧的产物。
4. The harmony of her face is not diminished by her imperfect nose.
   她不完美的鼻子并没有降低她脸部的和谐。
5. Imperfective aspect: indicating a present, ongoing, continuous, or recurrent action.The present and the imperfect tense convey this aspect.
   我去查了希腊文的动词时态，确实是有里面讲的现在持续式，(Imperfective aspect) 讲的是一个现在开始持续不断的动作。
6. So-called "gimbaling errors" can result from improper gimbal geometry or from imperfect roll and pitch stabilization of the gimbal system.
   所谓“框架误差”是框架几何形状的不正确或框架系统的侧摆和俯仰稳定得不完善所产生的。
7. In addition, the impact of the shad-owing, power control error and imperfect sectorization on the interference and system capacity are evaluated.
   此外,该文还研究了阴影衰落、功率控制误差和非理想扇区天线这些实际因素对系统干扰与业务容量的影响。
8. On the other hand, it can also be objective factors: immaturity of social auditing profession, unusefulness of work procedure, imperfect laws and regulations.
   也有客观方面的原因，如我国民间审计尚不成熟，工作程序不科学，法律法规不健全等。
9. The word is generally used to indicate the harmonization of the two final notes, classified as authentic or perfect, plagal, half or imperfect, and deceptive or interrupted.
   这个词常用于提示最后两个音的和谐，分为完全终止，变格终止，半终止和伪终止。
10. Spanish verb has six present-tense forms, and six each in the preterite, imperfect, future, conditional, subjunctive and two different past subjunctives, for a total of 48 forms.
    西班牙语的动词现在时有六种形态，过去时、未完成时、将来时、条件句、虚拟句以及另外两种过去时虚拟式也各自有六种形态，加起来一共是48种。

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