据航空公司监测显示，美国7家大型客运航空公司机队的平均机龄约为14岁。
The average age of the fleet of the seven large U.S. passenger airlines is about 14 years old according to the airline monitor.
老一代的人有时不愿意接受新科技，但无人驾驶汽车对这一年龄群体尤其有实际价值。
Whereas older generations are sometimes reluctant to adopt new technologies, driverless cars promise real value to these age groups in particular.
以甜瓜薄皮自交系为材料，研究了外植体、苗龄、激素等因素对甜瓜离体再生的影响。
The thin-skin muskmelon inbred lines were used to study the effects of explants, seedling age, and hormones on plant in vitro regeneration.
《猫的心灵》正在阿尔卑斯青年剧院上演，20位年龄在18至25岁之间的青年演员将用欢快的歌曲和舞蹈为您献上一场精彩的演出。
Alpine Youth Theater presents A Cat's Mind with cheerful songs and dance, promising to give a wonderful performance by 20 young people between 18 and 25 years of age.
四腿儿床一张，床龄101岁。
有一位大龄母亲。
他们是那种喜欢在周六晚上打保龄的人。
They're the sort of people that like going bowling on Saturday evenings.
胎龄未满34周为早产儿。
你不会看到这一年龄的人有偷车卖钱来满足毒瘾的。
You don't see people in this age group stealing a car to get their next dose.
我的当事人是一个有20多年驾龄的老手。
专家指出，巴士起火与车龄大、零件老化有密切关系。
Experts say aging bus parts and accessories are easy to catch fire.
这位七次世界冠军在41年龄又重新回归赛道。
只有18 %的美国人认为自己比父母在同一年龄时的境况更差。
Only 18% of Americans think they are worse off than their parents were at the same age.
这标志着，与25年前同一年龄群体的财富相比，下滑了68%。
That marks a 68% decline in wealth, compared to that same age group 25 years earlier.
令人烦恼的是，欧洲这一年龄段中超过35%的死亡可归于酒精。
Worryingly, in Europe just over 35 per cent of deaths in that age groups were attributed to alcohol.
这意味着1更少的GC次数和2更少的高代龄GC次数。
同时，在这一年龄段中97%的受访者表示无法想象没有手机的生活。
Living without a mobile phone was also unthinkable for 97 percent of those questioned in that age range.
勒博斯基节的参加者们每年都在保龄巷欢聚一堂，共庆盛事。
The Lebowski Fest participants meet every year in a bowling alley, of course they do.
在德国，这一年龄大约为30岁，而在北美一般在30出头或者更晚。
In Germany the age tends to be about 30, while in North America people tend to be in their early 30s or older.
在他的电视演讲里，他确保某一年龄段的白人妇女坐在镜头能拍到的地方。
And during his televised speeches, he makes sure to put white ladies of a certain age where the camera can see them.
所以我们计算出这只猫的猫龄将近111岁，因此它是没问题的。
So we worked out that the cat was about 111 years old in cat years, therefore it was fine.
对于6 -23月龄儿童，母乳也是能量和营养素的重要来源。
Breast milk is also an important source of energy and nutrients in children 6 to 23 months of age.
他和他的同事应用适应实验去检查30- 38周龄胎儿的记忆。
He and his colleagues used the habituation tests to examine memory in fetuses 30 to 38 weeks old.
科学家比较了之前已测试过和之前没有测试的38周龄胎儿的反应。
The scientists compared the response of the 38-week-old fetuses who had been tested before with that of fetuses who had not been tested before.
全世界飞机的平均机龄超过10年，有些客机的机龄超过了25年。
The average age of the world's airliners is more than ten years, with some passenger jets 25 years old or more.
自从1960年以来的大多数时间里，大约7- 8%的驾龄美国人会购买汽车。
In most years since 1960 some 7-8% of driving-age Americans bought a car.
这些具有高危险性的小牛材料是来自30月龄或更大的小牛的脑部和脊髓。
These high risk cattle materials are the brains and spinal cords from cattle 30 months of age and older.
龄不得超过20年。超过20年船龄的船只，卖方应负担超船龄外保险费。
Nevertheless, the maximum age of the vessel shall not exceed 20 years at.
龄不得超过20年。超过20年船龄的船只，卖方应负担超船龄外保险费。
Nevertheless, the maximum age of the vessel shall not exceed 20 years at.
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