If properly oriented in front of the user's eye, the beam splitter can reflect the image of a computer display into the user's line of sight yet still allow light from the surrounding world to pass through.
中文意思：
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1
If products for which authentication certificates have been granted do not conform to national or trade standards,or if products have not undergone authentication or found not up to the standards after the authentication proceedings,no authentication mark
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2
If programmers deserve to be rewarded for creating innovative programs, by the same token they deserve to be punished if they restrict the use of these programs.
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3
If progress in using atomic power to drive machines is fast enough, it is possible that oil-driven engines may give place to the new kind of engine.
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4
If prolonged, increased leels of cholinesterase within the saliary gland parenchyma could also accelerate acinar atrophy, as it is known that cholinesterases hae protease actiity [46, 47].
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5
If prolusion is improved and streamline is not, then a swimmer will go faster.
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6
If properly oriented in front of the user's eye, the beam splitter can reflect the image of a computer display into the user's line of sight yet still allow light from the surrounding world to pass through.
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7
If propulsion is improved and streamline is, then a swimmer will go fastest of all.
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8
If propulsion is not improved and streamline is, then a swimmer will go faster.
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9
If pulmonary embolism is suspected, the history should address unilateral swelling or pain in the legs, recent surgery, or illness requiring prolonged bed rest.
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10
If put up for sale, it could fetch tens of billions of dollars for government coffers and the developers would most likely build luxury flats.
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11
If quoted prices are competitive,we will order on a regular basis.
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