It has been demonstrated that this drug is effective.
这药已证实是有效的。
There's no evidence that managed care is effective at containing health care costs.
没有证据说明管理式医疗能有效控制医疗成本。
This medicine is effective if used within three years.
这种药3年以内有效。
Royal jelly is effective in treating nervous exhaustion.
蜂皇精治神经衰弱很有效。
Provided this technology is effective, those fears are groundless.
如果这项技术是有效的，那些担心则是没有根据的。
A new influenza vaccine, administered painlessly in a nasal spray, is effective for children.
一种新的流感疫苗以无痛的鼻喷剂接种，对儿童有效。
Thatch which has been done the British way lasts from twenty to sixty years, and is effective defiance against the heat.
按照英国方式建造的茅草屋，可以使用20到60年，能有效地抵御炎热。
Learning by doing may not be efficient, but it is effective.
边做边学可能效率不高，但却很有成效。
It is effective in teaching any alphabetical language to Brazilians.
它可以有效地向巴西人教授任何字母语言。
TAMC addition is effective to decompose organic matter.
总氧微生物的计数的添加能有效分解有机物。
这是一种行之有效的方法。
Such re-packaging is effective.
此等重新包装很有效果。
但这种方法是有效的。
The medicine is effective for knocking colds.
这种药祛除感冒很有效。
Ignoring is effective in the right moments.
适时的无视是有效的。
The change is effective for all other systems.
对于所有其他的系统来说，这个更改将是有效的。
They are based on knowledge of what is effective.
它们是基于我们对有效措施的了解。
Tests suggest it is effective at a distance of 1.5km.
测试显示其有效范围为1.5公里。
It is effective, but mercury vapour is extremely toxic.
这种方式非常有效，但是汞(即水银)蒸气却含有剧毒。
It will be two years before we know whether it is effective.
两年之后我们才能知道它是否有效。
It can break up deep congestion and is effective in an emergency.
它可以打破严重的堵塞，在紧急情况下很有效。
However when it comes to what is EFFECTIVE or VERY EFFECTIVE.
不过，当问到哪些渠道“有效”或“十分有效”的问题上时。
Performance is effective on devices with 16 - and 32-bit processors.
在具有16位和32位处理器的设备上，性能有效。
Tests on mice have shown that the drug is effective in reducing body weight.
在老鼠身上的实验表明，该药物对减轻体重有神奇功效。
Voodoo is effective if you believe in black magic; it fails to affect you if you don't.
如果你相信巫术，那么巫术就是有效的；如果你不相信，巫术就没有效果。
One of the best ways of overcoming procrastination however is effective time management.
当然，最好的防止拖延的方法之一，还是有效的时间管理。
One of the best ways of overcoming procrastination however is effective time management.
当然，最好的防止拖延的方法之一，还是有效的时间管理。
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