The highest realm of understanding "Daoist nothing" with the "nothing" whose noumenon contains nothing is "ingenuity" and so the aesthetic system of Lao Zi includes the thoughts that Taoism is beauty,nothing is beauty and ingenuity is beauty.

Commentary on PU Xiang-cheng s Experimental Verses of Acupuncture and Moxibustion;

Taoism has made full use of verse to teach cultivation ways,which has be followed by internal school boxing.

Introduction was made to using pithy formula experience coefficient to estimat transformer rated capacity and current.

Making use of "pithy formula law" and "induction" can facilitate drawing process improve the drawing speed and the drawing accuracy,and can also improve student s interest and efficiency in studying.

Based on the author,s experiences of teaching and repairing, a pithy formula for diagnosis is summ-arized to deal with various faults of automobile charging systems in this paper so that the readers can understand and remember it.

On the knack and application of the surface-shape analytical method;

Through the discussion with Jiang Nan,author of A Tentative Study of TCM Dietetic Therapy Translation,this article focuses on the "rhyme" in dietetic therapy knack translation.

This article introduces a pithy formula,a simple method of integration operation by using integration by parts.

The author has summarized a simple method of integration operation by using integration by parts -a pithy formula, according to his many years teaching experience.