求翻译：用科学的方法参与体育活动领域水平四目标要求学生合理安排锻炼时间，并掌握测量运动负荷的常用方法。从表4—6的数据可以看出，在所调查的河北省3460名初中生中，有45.44%的学生对于合理安排锻炼时间的意义不清楚和很不清楚，29.53%的学生选择了“一般”。是什么意思？

Use scientific methods in the field of physical activity levels of four objectives require students to exercise a reasonable time to arrange, and master the common method of measuring the exercise load. The data from Table 4-6 can be seen in the junior high school students surveyed in 3460, Hebei Pr

Participation in sports activities with the scientific method 4 field goal level for students, and reasonable arrangements have tempered time measurement exercise load of commonly used methods. The data from table 4 - 6 can be seen in the survey, the 3460 junior secondary students in Hebei Province,

Request the student with the science method participation sports domain level four goals to arrange the exercise time reasonably, and grasps the survey physiological load of exercise the commonly used method.May see from the Table 4-6 data, in investigates in the Hebei Province 3460 junior high pupi

Using scientific method p field level four targets students to arrange training time and mastering common methods of measuring load. 4-6 of data can be seen from the table, in the Hebei province investigated 3,460 junior high school students, students with 45.44% for significance is not clear that r

With the scientific method to p level four objectives in the field of student arrangements exercise time and have common approach to measuring exercise. 4-6 of data can be seen from the table, in the Hebei province investigated 3,460 junior high school students, students with 45.44% for significance