A common concern about base station and local wireless network antennas relates to the possible long-term health effects that whole-body exposure to the RF signals may have.

基台和无线局域网络天线方面通常令人关注的一个问题涉及整个人体接触射频信号可造成的长期健康影响。

youdao

That dose is about 10,000 times that typical exposure rate for the U.S., but it is applied to the cancerous tissue; the total-body exposure during radiation therapy is much less.

治疗中所接触到得辐射量是在美国通常接触到辐射量的10000倍，但是它仅适用于癌组织；在放射性治疗中全身接触的辐射量相对来说是非常少的。

youdao

That dose is about 10, 000 times that typical exposure rate for the U.S., but it is applied to the cancerous tissue; the total-body exposure during radiation therapy is much less.

治疗中所接触到得辐射量是在美国通常接触到辐射量的10000倍，但是它仅适用于癌组织；在放射性治疗中全身接触的辐射量相对来说是非常少的。

youdao

And they did this by taking-- they recognized that somehow, if you had a mild exposure to the disease, your body could then develop protection against more severe forms of the disease.

他们通过用,他们通过某种方式意识到,如果较轻微地得过这种病,你的身体会发展保护机制,来抵挡更为严重的疾病

耶鲁公开课 - 生物医学工程探索课程节选

Vitamin D levels, which play a role in the body's immune response and vary with exposure to sunlight, make latitude of residence a possible risk factor.

WSJ: The Research Report: Slapping On a Skin Patch to Combat Hay Fever

This finding raises the question: can a small diameter lead be sufficiently robust to perform reliably over years of biologic exposure and mechanical stress in the human body?

FORBES: Robert Hauser, ICD Watchdog, Offers Viewpoint On Riata Controversy At HRS

Otherwise, it's aimed more at the casual carry-around crowd with a 40 percent smaller body, touch-screen focus selection, control ring exposure adjustment, a 3-inch 920k dot TFT LCD, art filters (in the smartphone app), image (or film) stabilization and 1080P 30 fps HD video.

ENGADGET