研究人员表示该方法的安全性、有效性尚不明确。
The researchers said both the safety and the effectiveness of the method was unclear.
卫生部网站发出的一份通知称，电击技术的安全性尚不明确，因此要求停止该疗法的临床应用。
A notice on the health ministry's website said that the safety of the electric shock technology was not clear, so use of the therapy should be stopped.
伪造ip地址是相当容易的，所以依靠IP地址保证安全性是不明智的。
IP address forgery is a fairly easy thing to do, and so relying on IP addresses for security is unwise.
目的：通过对不明原因小肠疾病患者行双球囊推进式电子小肠镜检查，评价其操作性能及安全性以及护理要点。
Objective To evaluate the operational performance, safety and feature of nursing care of double-balloon push-type entero scopy in patients with unexplained small bowel diseases.
目的通过对不明原因小肠疾病患者行双气囊电子小肠镜检查，评价其安全性、检查范围、临床价值及耐受性。
Objective to evaluate safety, extensity and clinical efficacy and patient tolerance of double-balloon push enteroscopy in diagnosis of patients with small bowel diseases.
钢丝绳在矿井实际工作中绳股中的实际载荷并不明确，而实际工作载荷对工作的安全性至关重要。
In the mine actual operation, the actual load of the steel tope strands in the steel rope would be uncertain, but the actual working load would be critical to the safety of the work.
最近，有关于EUS引导基准点放置的报道，但是安全性和可行性尚不明确。
Recently, EUS-guided fiducial placement has been reported, but the safety and feasibility of this approach is not well defined.
本文研究提出一种统计规律不明显的非线性随机序列的发生方法及其对信息作非线性移位的加密算法，可以有效地提高密文的安全性。
This paper describes a new method in which a non-linear successive-displacement can be produced, and provides an algorithm of information bit-moving encryption.
目的评价双气囊电子小肠镜及胶囊内镜对不明原因消化道出血的诊断价值、安全性及耐受性。
Objective To evaluate the diagnostic yield and therapeutic impact of double-balloon enteroscopy (DBE) on the management of patients with obscure gastrointestinal bleeding (OGIB).
目的评价双气囊电子小肠镜及胶囊内镜对不明原因消化道出血的诊断价值、安全性及耐受性。
Objective To evaluate the diagnostic yield and therapeutic impact of double-balloon enteroscopy (DBE) on the management of patients with obscure gastrointestinal bleeding (OGIB).
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