然而，这种方法在肿块较大时可能不是那么有效，并且其长期效果至今未知。
This procedure may not be effective on large prostates. Its long-term effectiveness is unknown.
目前没有研究显示为什么大量阅读会导致这一结果，但是由于长时间聚焦近处的物体需要眼部肌肉持续收缩以保证视网膜保持需要的形状，因此这种眼肌的持续收缩状态可能会使眼球受到拉伸，长期如此，其原有形状可能会被永久地改变，从而导致近视产生。
But focusing on close objects involves contraction of muscles controlling the shape of the eye's lens. And one possibility is that "this constant contraction may stretch the eyeball.
尽管这种病毒是在1947年发现的，但其长期后果并没有得到过研究。
Although the virus was discovered in 1947, there has been no research into its long-term consequences.
目前约有300人每年死于这种疾病或其长期后果。
About 300 people die each year of this illness or its long-term consequences.
医生警告说这种技术的长期使用风险还不清楚，其并不能治愈哮喘。
Doctors warn the long-term risks of the technique remain unknown and it cannot cure asthma.
谷歌仍然认为其研究应该会促使仍在使用这种算法的所有公司远离长期以来被认为安全性很差的SHA - 1。
Google still believes that its research should encourage all companies that are still using this algorithm to stay away from SHA-1, which has long been considered to be very secure.
他说，这种蜗居适合新毕业的大学生们暂时居住，但无法满足其长期居住的需要。
A pigeonhole flat serves well as a temporary lodging for new grads, but it doesn't address their long-term needs for accommodation, he said.
他们宣称，他们并不是想要长期把某商品的价格提高到其自然价格水平之上，他们也承认这种干预对消费者是不公平的。
They have no wish, they declare, to raise the price of commodity X permanently above its natural level. That, they concede, would be unfair to consumers.
而且，这种长期变化与太平洋海气系统成员的低频变化有相关性， 其变化成因是复杂的。
Moreover, such a long-term variation is related to the low-frequency variability of the Pacific sea-air systems, and the causes are sophisticated.
所有这一切，使得费尔南·迪兹夫人免受公众对政客长期的不信任。这种不信任成为其反对者的绊脚石，其中包括为人作嫁的杜阿尔德。
All this has exempted her from the lasting public disdain for politicians that has hampered her opponents, including poor Mr Duhalde.
所有这一切，使得费尔南·迪兹夫人免受公众对政客长期的不信任。这种不信任成为其反对者的绊脚石，其中包括为人作嫁的杜阿尔德。
All this has exempted her from the lasting public disdain for politicians that has hampered her opponents, including poor Mr Duhalde.
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