Interpretation of Quotation: Preface to Qu Qiubai's Selected Works of Lu Xun's Miscellaneous Feelings: "While other revolutionary intellectuals come to the working people more definitely and obviously, surrounding the revolutionary camp." Wei Wei's "Oriental" Chapter 14: "Guo Xiang remembers that the second lieutenant's name is gold, silver and iron, and his face is very similar to this company commander, but he is not sure."

Definite sentence making

1. An image distortion center determination method based on concentric circle mode is proposed.

2. This paper discusses the design of small traction ridge mulcher. Among them, the design of scheme determination, machine configuration, shaper, ridge-following device and lifting mechanism embodies the main characteristics of the machine.

3. The source of uncertainty of porosity measurement by impregnation method is analyzed, and the uncertainty of measurement results is evaluated. Finally, the expanded uncertainty is given.

4. When the responsibility centers often exchange products or provide services with each other and transfer responsibilities, how to determine the price standard between the responsibility centers becomes an important part of responsibility accounting.

In your opinion, the most important thing is how to ensure that this person has completed his or her project before leaving his or her job.

You can't start the operation until you are sure that she is unconscious under anesthesia.