The researchers also found insufficient evidence to support the use of ADHD medications in children younger than 6 years of age, but two drugs are generally safe and effective for older children.
研究人员还发现，对低于6岁儿童施用多动症药物的证据还不太充足，但两种药物对年龄稍大的儿童是安全而有效的。
Sometimes it might be more effective to code the security of a system through policies, but policies are generally different from security-specific and testing-specific policies.
有时候通过策略编码系统的安全性更为有效，但策略通常与安全特定的策略及测试特定的策略不同。
BCG is now generally believed that China is still effective, it can not avoid the infection and incidence of tuberculosis, but can reduce the probability of the occurrence of severe tuberculosis.
现在我国一般认为卡介苗还是有效的，它并不能避免结核病的感染和发病，但可以减少重症结核病的发生概率。
The methods of screening for glaucoma should be simple, shortcut, cheap and effective, but there is no generally accepted methods of screening for glaucoma in the world.
对于青光眼的筛查应遵循简易、快捷、价廉、有效的原则，但目前国内外尚缺少一套公认、成熟的青光眼筛查方法。
But generally speaking, ion import technology of percutaneous administration was safe and effective, suitable for local and systematic treatment.
但总的来说，药物经皮离子导入技术还是安全、有效的，适用于局部和全身性治疗。
Research has shown that a variety of factors affect the final results of celebrity endorsements, but generally speaking, celebrity endorsement can be regarded as a effective means.
已有的研究表明，影响明星代言最终效果的因素各种各样，但从总体上而言，使用明星代言人在目前而言不失为一项较为有效的广告手段。
Research has shown that a variety of factors affect the final results of celebrity endorsements, but generally speaking, celebrity endorsement can be regarded as a effective means.
已有的研究表明，影响明星代言最终效果的因素各种各样，但从总体上而言，使用明星代言人在目前而言不失为一项较为有效的广告手段。
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