With the higher requirement of reliability , security , reality and less cost of modern train , the train and other public transportation system ’ s operators are facing flinty challenge 随着列车车辆对其可靠性、安全性、通讯实时性以及成本有更高的要求,铁路和其它公共交通系统的操作者和制造者正在面临巨大的挑战。
Sometimes a wheel was off the ground , it seemed , for many yards ; sometimes a stone was sent spinning over the hedge , and flinty sparks from the horse s hoofs outshone the daylight 有时候，马车有一个轮子离开了地面，好像跑出去好几码远有时候，马车又带起一块石子，旋转着飞过树篱马蹄踏在燧石上，火花飞溅出来，比日光还亮。
With the development of modernization industry , rotating mechanism is working under more highly speed and efficency , while the rotor is more slight . and this bring forward designers much more flinty request 随着现代化工业的发展，各种旋转机械向高速、细长、高效的方向发展，同时却要求机器的噪声及振动更小，寿命更长，工作更可靠。
He maintained a hard , careless deportment , indicative of neither joy nor sorrow ; if anything , it expressed a flinty gratification at a piece of difficult work successfully executed 他保持一种严酷的漠不关心的态度，既无欢乐的表示，也没有悲哀的神色，如果有什么的话，那只有在顺利完成一件艰难工作时，所具有的感到一种满足的冷酷表情。
It covers our flintier purposes and brings a redeeming silence , as if a curtain has fallen on the strivings of a year , and now we may stop , look inward , and rediscover the amber - warmth family and conversation 它掩饰了我们强韧的意志，并以寂静作为补偿，好像窗帘盖住了一年的劳累，我们现在可以停下来，看看屋里，重新发现家庭的温馨和交谈的乐趣。
It covers our flintier purposes and brings a redeeming silence , as if a curtain has fallen on the strivings of a year , and now we may stop , look inward , and rediscover the amber warmth of family and conversation 它掩饰了我们坚定的目的，带来了补偿性的宁静，就像我们一年的奋斗缓缓地拉下了窗帘，此刻我们可能会停下来，向内心看去，重新发现家庭、交流的琥珀色的温暖。
I assured him i was naturally hard - very flinty , and that he would often find me so ; and that , moreover , i was determined to show him divers rugged points in my character before the ensuing four weeks elapsed : he should know fully what sort of a bargain he had made , while there was yet time to rescind it 我明确告诉他，我生就了硬心肠硬如铁石，他会发现我经常如此。何况我决计在今后的四周中，让他看看我性格中倔强的一面。他应当完全明白，他订的是怎样的婚约，趁现在还来得及的时候把它取消。
Jinan occupies a very impotant status in the development of economy and culture in shandong province and even in china , but the water resource in jinan aera is very deficient . with the high speed developement of its economy , the protection and sustainable use of water resource in jinan will encount to even flinty challenge . after analyzing the status and the problems in water resource use in jinan , the countermeasurs for sustainable use of water resource were put forward 济南市在山东省乃至全国的经济、文化发展中占有十分重要的地位,但是济南市的水资源非常缺乏.随着全市经济的高速发展,水资源的保护和持续利用将面临更严峻的挑战.在分析济南水资源利用现状及存在问题的基础上,提出了相应的水资源可持续利用对策
Chinese nuclear fuel manufacture is confronting with a flinty challenge . the traditional and unenlightened inspection method can not already meet mass production so that the present method must be reformed . the measurement of nuclear fuel pellet is extremely important to ensure the pellet ' s quality 核燃料芯块的检测对保证核燃料芯块质量至关重要，所以将自动检测技术引入到核燃料芯块现场检测是可靠保证芯块质量，使其向信息化方向发展的关键，也是可持续发展的重要保障。
