1) factors of difficulties
难点因素
2) problems and difficuties
疑难因素
3) difficult factor
困难因素
1.
On difficult factors and essential techniques in English listening course for English majors in the first and second years;
英语专业基础阶段听力课教学中的困难因素与对策
4) Factors that leading to difficulty of blood pressure control
难控因素
5) site variable
地点因素
1.
An understanding of influences of site variables on surface soil organic carbon(SOC)concentrationis i mportant to plan future land use for carbon sequestration and sustaining agriculturalproduction.
利用中国第二次土壤普查确定的886个典型地带性土种剖面资料,通过统计分析方法研究了地点因素(土纲、质地、海拔、酸碱度和土地利用方式)对地带性土壤表层有机碳含量的影响。
6) Point Factors
点状因素
1.
Computer Assessment of Point Factors on Land Parcel Price Based on Shortest Path;
基于最短路径距离的宗地地价点状因素自动化评价
补充资料：难点
1.问题难以解决之处。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条