证明的最初期限为五年，每年进行一次审查，以确保渔业继续达到所要求的标准。
Certification is for an initial period of five years, with an annual review to ensure that the fishery is continuing to meet the required standards.
我所在的州驾驶执照每五年更新一次，假如他们每年都问我对于上次的更新体验有什么看法的话，那将会是非常傻帽的。
My state renews drivers licenses for five-year periods. It would be silly for them to ask me each year what I thought of my last renewal experience.
随着地球、月球和太阳相对位置的逐渐变化，每年所发生的日食次数也不尽相同，有时候在一年之内会发生多达五次的日食。
Solar eclipses can happen up to five times a year, although each year is different due to variations in the positions of Earth, the moon, and the sun over time.
每年有三次大的话题变化时间，那分别是一月、五月和九月，那这样讲并不意味着其他的月份不会出现换题，只是其他月份话题变化的幅度相对比较小。
In January, May and September, there are three times of changes every year. But it doesn't mean that there aren't other changes in other topics.
据估计，五岁以下的儿童每年患伴有高烧症状的疟疾的次数介于6- 10次之间。
Its estimated children under five suffer between six and 10 fever-related episodes of malaria each year.
在为期五年的调查过程中，这些青少年汇报了他们在屏幕前的时间以及体育锻炼的程度，每年4次，总共为20次。
Teens reported screen time and their level of physical activity four times per year or a total of 20 times during the five-year study.
登陆和突袭营的士兵每年要进行大概五次跳伞训练。
Soldiers of the landing and assault battalion jump with parachutes approximately 5 times in a year.
有三个学期(每个学期为期15周)，开课时间分别为一月，五月和九月。不是所有的课程每个学期都开设。大部分课程每年仅开设一次。
There are three 15 week trimesters commencing in January, May and September respectively. Not all subjects are offered in each trimester. Most subjects are offered once per year.
这项调查每年实施一次，现在已经是第五年了。他主要关注两类人群：普通市民和知识分子。
Conducted every year for five years now, the survey focused on two different groups of people: ordinary citizens, and intellectuals.
如今，弗洛伦西奥作为一名伊比利亚火腿大使而闻名于世，每年他都会“夹着一根火腿”在五大洲进行一次或两次巡回演出。
Florencio is now known as an ambassador of Iberian ham around the world, and he tours the five continents "with a leg of ham under his arm" once or twice a year.
由于育秧手续与技术的改进，每年育秧次数能从五次增加到二十次以上。这种方法也能得到较好的秧苗。
Because of the improvement in the techniques and processes of seedling nursing, The Times of cultivating can be increased from about five times to twenty times over a year.
孩子们住的地方离我们只有三个小时的航程，我们每年大概有四到五次见面的机会，主要是家庭聚会。
The girls live 3 hours away by plane. We see them 4 or 5 times a year at family functions.
孩子们住的地方离我们只有三个小时的航程，我们每年大概有四到五次见面的机会，主要是家庭聚会。
The girls live 3 hours away by plane. We see them 4 or 5 times a year at family functions.
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