1·With summaration of the design of a double-axis inertia vibrating shake-out machine, its application has been introduced with brief description of its structure and characteristics.
对振动落砂机的设计和使用作了小结，介绍了双轴惯性落砂机的使用状况，并简要描述了该落砂机的结构形式和特点。
2·However, when carrying out systematic analysis the general multi-sequence alignment method obviously has its limitation, i. e. it cannot shake off its primary structure.
然而，在进行系统发育分析时通常的序列联配方法有明显的局限性，即无法摆脱一级结构的束缚。
3·Wind is it it calculates to be should according to shake theory go on, shake cycle should calculate according to structure dynamics structure at random to shake.
风振计算应按随机振动理论进行，结构的自振周期应按结构动力学计算。
4·It has features of compact structure, little shake, convenient movement, etc., so it is the safest, most economical and most practical tool of high-altitude working.
整机设计结构紧凑、晃动小、重量轻、移动方便等特点，是登高作业最安全，最经济实用的机具。