和血脑屏障相同，它是选择性可透的，阻挡血液中的有害物质进入到精致的感光层。
Like the blood-brain barrier, this is only selectively permeable, keeping any toxins in the blood from reaching the delicate photoreceptors.
新一代的透气型隐形眼镜在佩戴时有很好的透氧性，可避免眼睛干燥和疼痛。
A new generation of gas-permeable lens, they allow oxygen into your eyes during wear, preventing your eyes from becoming dry and sore.
潜水团队钻透俄罗斯西北部白海冻结的海面，受到笑容可掬的白鲸欢迎。
When dive teams drill through the frozen surface of the White Sea off the north-west coast of Russia, they are greeted by grinning belugas.
腹膜炎可导致疼痛、住院、拔除腹透管，并是导致患者死亡的风险之一。
Peritonitis can be associated with pain, hospitalization and catheter loss as well as a risk of death.
演唱者发明了一种有着激扬风格的唱腔，可力透街市生活的嘈杂。
Singers developed a sharp style of singing that could carry through the noise of street life.
结论归因干预可改善维持性血透患者的抑郁程度。
Conclusions the attributable intervention can improve the depression degree of the maintained-hemodialysis patients.
结论应用临床路径管理可明显提高患者对腹膜透析治疗的依从性，减少腹透感染的机会，减少医疗费用的开支，提高了患者的生活质量。
Conclusion Clinical pathway can improve compliance of patients to peritoneal dialysis, reduce the opportunity of infection and cost of hospitalization and improve quality of life of patients.
残肾功能可影响长期腹透患者的转归。
Residual renal function plays an important role in long-term PD patients.
在透声界面附近运用声学基本方程可导出边界条件的时域有限差分(FDTD)表达式。
From the basic equations in acoustics, boundary condition expressions on penetrable interfaces between media can be derived for the finite difference time domain (FDTD) method.
本超微滤芯无氯无毒、有较好的透水、透油和透气性，且强度良好，可抗4公斤的油或水的压力。
It features no Cl and toxic contents, higher water, oil and gas permeability and better strength resisting 4 Kg of pressure.
两侧的无纺水刺布可避免抹布使用时结构分开，延长使用寿命，又能让油污窜透被无纺针刺布吸收。
The non-slub water thorn cloth at two sides can avoid separated structure in use of the rag, prolong the service life and make the oil pollution be absorbed by the non-slub needle thorn cloth.
对接焊缝可评定全焊透和部分焊透对接焊缝和角焊缝，当角焊缝是产品的主要焊接接头形式时，需要用角焊缝试验评定。
Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required where this is the predominant form of production welding.
对接焊缝可评定全焊透和部分焊透对接焊缝和角焊缝，当角焊缝是产品的主要焊接接头形式时，需要用角焊缝试验评定。
Butt welds qualify full and partial penetration butt welds and fillet welds. Fillet weld tests shall be required where this is the predominant form of production welding.
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