The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.

公司称他们的低能量密度激光和一系列防护措施能保证暴露在其中的人体处于安全范围之内。

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Results image contrast and film image density is quickly adjusted by mechanism of automatic exposure control to optimize imaging.

结果自动曝光控制机构迅速调整对比度和胶片影像密度，使成像结果最佳。

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The main parts include density adjustment, exposure adjustment, pre-printing adjustment and uniformity correction.

其主要环节包括密度校正、曝光量校正、均匀性校正、印前预校色等。

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The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.

ECONOMIST: Wireless charging

Epidemiologic studies over the past 40 years have identified numerous risk factors for breast cancer, including: older age, an early age at menarche, a late age at first full-term birth, not having children, a family history of breast cancer in a first-degree relative, greater height, higher circulating estrogen levels, postmenopausal hormone use, breast density, history of breast biopsies, obesity (for postmenopausal breast cancer), and exposure to ionizing radiation.

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?