The "hobby－computer" market was revealed at the atlantic－city conference in august 1976 . 1976年8月举行的大西洋城市会议上出现了“业余爱好者计算机”市场。
Discoveries of genuine changes on the lunar surface are never within the reach of the average amateur observer . 月面真实变化的发现从来不是一般业余天文学家力所能及的。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom . 如此富有意义地利用业余时间来进行收藏，会使人怡然自得，无暇烦恼。
Kelly detested paperwork and court appearances which cut annoyingly into a policeman's off-duty time . 凯利讨厌写报告和出庭作证之类的事，这些事占用警察的业余时间，因此叫人头痛。
As the nearest celestial body to our earth, the moon has, of course, always been a favored object for the amateur astronomer . 月球是最接近地球的天体，当然总是业余天文学家喜爱的对象。
The local composer and the amateur violinist were going to "tackle" a violin sonata by some teutonic bore . 那位地方作曲家和业余小提琴手将“啃”一首一个日尔曼讨厌鬼谱写的小提琴奏鸣曲。
Apart from these, the contents are largely as self-explanatory as the well-known calendars for the amateur's use . 除此而外，历书的内容对于业余天文学来说是一目了然的，就象我们看日历一般。
But dominating all outside interests, sporting or cerebral, was the fact that sam hawthorne was an anglophile . 在萨姆霍索恩的所有业余爱好中，不论是体育方面的还是智力方面，压倒一切的是对英国的崇拜。
Astronomical yearbooks and calendars for amateur astronomers provide the times of the beginning of the synodic solar rotations as well as the longitudes lo . 天文年历和日历为业余天文学家提供了太阳会合自转周期的始时和经度Lo
On the issues of vocal training in amateur singers 论业余歌手声乐训练的几个问题
