The second part is factors which constraints of rural secondary vocational school students career planning.

第二部分，制约农村中等职业学校学生职业生涯规划的影响因素。

youdao

Value function consists of metallurgical criteria and equipment constraints, the IPSO algorithm applies for optimal of the secondary cooling system aiming at minimize value function.

由冶金准则及设备约束条件设计优化算法的价值函数，用改进粒子群优化算法以价值函数值最小化为目标，对二冷区各段的水量进行优化。

youdao

Most critically, many primary school children failed to proceed to secondary level due to financial constraints.

UNESCO: Family Basic Education (FABE)