primary training meaning in English

初级教练

So many - ball training is recommended here for the early period of primary training
建议在启蒙训练的初期就进行多球训练。
While aerobic distance work should be a primary training focus , an aerobic training and speed training will improve your performance times since they enable you to function at higher intensities and to endure high lactic acid levels ( a by - product of short bursts of exercise )
有氧跑步是训练的主要项目，有氧训练和速度训练将增加你的运动次数，因为他们可以使你的身体器官在更高强度运动下正常运作，并能忍受肌肉中的高乳酸（短期剧烈运动的副产品）。
Section one presents the background , intention and influence of the major subject . section two analyses the current situation of experiment teaching . section three introduces the teaching practice : of discovery physics experiment , which provides the primary training for students " creativity and illustrates the two experiments in detail
全文共分五部分：第一部分论述了课题研究的背景及课题研究目的和意义；第二部分论述了物理实验教学的现状；第三部分对探索性物理实验教学进行了理论研究；第西部分是探索物理实验培养学生创造力的教学实践。