判断式 meaning in Chinese

if statement
if…else statement
while statement

Material is transported forward in the absolute sliding way driven directly by frication force . some contents of this paper are below : one of them to establish whole machine model , study the theory of transportation and analyze the dynamic characteristics . a numerical calculation method is put forward to solve the theory of material transportation
通过对输送机实际工作状况及工作机理的分析，建立了输送机整机模型及力学模型，对其进行力学和运动分析，建立动力学方程，提出了一种判断式数值求解方法，研究了运行的输送机理