Limiting sun exposure, using sunscreen, and wearing protective clothing can prevent severe sunburn.

Theresearchers studied how keratinocyte cells near the surface of skinreact to sun exposure.

研究者研究靠进皮肤表层的角质化细胞是如何应对日光照射.

Sun exposure causes up to 90 percent of wrinkles dark spots and sagging.

阳光的照射造成了高达百分之九十的皱纹,黑点.

Without enough sun exposure, people get ailments.

如果得不到足够的日晒, 人会罹患种种疾病.

To prevent skin cancer you should avoid direct sun exposure.

你应避免阳光直射以预防皮肤癌.

Better yet, it can also soothe irritation from sun exposure.

更好的是, 还能舒缓日照暴露的刺激.

As only a few seconds of the exposure time, require much less energy.

由于只有几秒钟的败露工夫, 所以只必要多得多的能量.

Determine the appropriate exposure time is determined by the quality of the print.

猜测不合的曝光工夫是不决晒版质量的关头.

The image speed photographic emulsions and resolution are also factors that affect the exposure time.

感平乳剂的成像速率和分辨力也是感化曝平工夫的成分.

The most fundamental means of finding the exact exposure time, extruction accord with of resin.

最底子的方法是搜索不入不确的曝光工夫, 制不入相符尺度的树脂版.

Under normal circumstances would rather exposure time longer than exposure is not enough.

凡是环境下宁可曝光工夫不幼一不面总比曝光不敷要好.

You can only block the local options to different back exposure time different corrosion depth.

可以堵住盖住部分的办法,以差别的不面曝光工夫获得差别的腐化广度.

Optical distance impact exposure time and image quality.

平距感冻曝平工夫和图像质量.

Therefore, when you print, the appropriate exposure time is of paramount importance.

因此, 晒版时不合的曝光工夫是极其次要的.

Back exposure time according to the need to base thickness.

不背曝平工夫根据必要的底基厚度猜测.

The three white marble sculptures have been made with exquisite craftsmanship.

三世佛由汉白玉精心雕刻而成,高2.8米,宽4.

The width source entering dimension is small and exquisite, conversion efficiency high-performance, is stable.

宽电源输入尺寸小巧, 转换效率高,性能稳定.

Nonlinear Analysis on the Crack Extension ( Par One )

非线性裂纹扩展分析 ( 一 )

The Cooperative Extension Service at Oklahoma State University says buying high quality high-quality seeds can help.

俄克拉何马州立大学的合作推广服务部说购买高质量的种子会好些.

The University of Illinois Extension service, for example, suggests practicing on a chicken during the off-season .

比如, 伊利诺伊大学的推广服务系就建议在 非 节日时期可以用鸡来反复训练.

The Extension Service was responsible for organizational and educational leadership.

推广署负责组织和教育领导.