无效

Ninteen cases of posterior semicircular canal BPPV were treated with otolith reposition.Reexamined after 2 weeks,14 cases disappeared vertigo,2 cases had no positional vertigo but they were dizzy,2 cases improved the syndromes,1 case had no effeciency.

内容提要用Epley首创的耳石复位法治疗后半规管性良性阵发性体位性眩晕。2周后复查，结果显示，眩晕消失14例，无体位性眩晕，但有头昏2例，眩晕症状改善2例，无效1例。

"The results of this study do not support the use of orthoses, either custom soft or semirigid biomechanical, as prophylactic treatment for weight bearing–induced back pain," the authors write.

Milgrom指出，本项试验的结果并不对矫具的使用作出支持，在预防重量引发的背痛方面，不论是订制或半硬式的生物工学矫具都无效；订制软矫具的使用率比其它两种为高，步兵成员的体能预备训练及运动都和重量引发的背痛无关。

We hypothesized that inhibition of NF-kappaB might sensitize ABC but not GCB DLBCL to chemotherapy and improve outcome.

我们猜测抑制NF-kappaB可使ABC DLBCL对化疗敏感，改善预后；而对GCB DLBCL则无效。

Immorality in general is severely condemned and punished by the Koran, but the moral laxity and depraved sensualism of the Mohammedans at large have practically nullified its effects.

不道德的，一般是严厉的谴责和惩罚的可兰经，但道义懈怠和颓废感觉的Mohammedan人在逃实际上已经无效，它的影响。

I ordered my XP Service pack 2 cd by mail, but when I try to install it, it says my serial key is invalid… I really need to install SP2 though, for my new software (Photoshop CS3, WMP11, EI7 etc…) Is there anyway of disabling/bypassing the wga/serail key check during the installation?

我订购的，我XP Service Pack 2中的CD邮寄，但是当我尝试安装它，它说我的串行关键是无效的……我真的需要安装SP2虽然，我的新软件（ Photoshop的cs3 ， wmp11 ， ei7等…）无论如何，有禁用/绕过WGA的/ serail重点检查在安装过程中？

We're sorry, but this serial number is not valid.

很抱歉，但这个序列号是无效的。

We're sorry, the serial number provided is invalid.

很抱歉，提供的序列号是无效的。

If any provision of the Terms of Service is found by a court of competent jurisdiction to be invalid, the parties nevertheless agree that the court should endeavor to give effect to the parties' intentions as reflected in the provision, and the other provisions of the Terms of Service remain in full force and effect.

如果任何条款，服务条款，发现了具有司法管辖权的法院是无效的，双方都同意法院应努力落实的各方意愿作为反映在规定和其他规定的服务条款仍然具有十足效力及作用。

Provide personalized services: one side, signing service, invalid refund services.

提供个性服务：一人一方、签约服务、无效退款的优质服务。

You are no longer able to %26quot;pet-use%26quot; your units by setting their rally point

不能设置单位的集合点（或者是集合点设置无效？

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。