A.Vossius ringB.Soemmering ringC.Morgagnian cataractD.Couching of lensE.Elaschnig pearls白内障手术的一种方式( )
A.Vossius ring
B.Soemmering ring
C.Morgagnian cataract
D.Couching of lens
E.Elaschnig pearls
B.Soemmering ring
C.Morgagnian cataract
D.Couching of lens
E.Elaschnig pearls
白内障手术的一种方式( )
参考解析
解析：3.Couching of lens即白内障针拨术。
相关考题：
白内障手术的一种方式( )A．Vossius ringB．Soemmering ringC．Morgagnian cataractD．Couching oflensE．Elaschnig pearls
挫伤性白内障在瞳孔缘部色素上皮细胞脱落而形成的混浊( )A．Vossius ringB．Soemmering ringC．Morgagnian cataractD．Couching oflensE．Elaschnig pearls
备锚，摇“备车”钟。（）A、Get anchor ready and ring “Stand by engine”.B、Get anchor ready and ring “Finished with engine”.C、Get mooring ready and ring “Stand by engine”.D、Get mooring ready and ring “Finished with engine”.
Third Mate, we’ll enter the harbour, you should ring “（）”now.A、Stand byB、Ring off engineC、Finished with engineD、Finish it
What are two characteristics of dual-ring interconnect in SDH networks？ （）A、 It protects signals against node failures between rings.B、 It protects signals against node failure within a single ring.C、 It allows for traffic to be preempted when a ring switch occurs.D、 Traffic can be dropped and continued at interconnecting nodes.E、 It protects preemptible traffic from being dropped when a ring switch occurs.
单选题The lowest ring of a piston is （）.Aa coil springBa sealing ringCan oil distributor ringDmain seal ring
单选题In large, low-speed, main propulsion diesel engine, position ring groove wear usually occurs at the（）Atop of the ring grooveBback of the ring grooveCbottom of the ring grooveDpiston ring end clearance
单选题In some diesel engine designs,（）the injection of cylinder oil is timed to impinge when the piston and only impinge on（）Ais coming upward；cylinder ring beltBis going downward；piston ring beltCis coming upward；piston ring beltDis going downward；cylinder ring belt
单选题A diesel engine piston ring face is in direct contact with the （）.Atop of the ring grooveBcylinder liner oil filmCbottom of the ring grooveDback of the ring groove
单选题How is SNCP and MS-SPRing traffic rerouted during a protection switch when a complete fiber cable cut occurs？（）A SNCP traffic is switched from the first node that recieves the AIS. MS-SPRing traffic is rerouted from the first in the ring.B SNCP traffic is selected at the destination node in the ring. MS-SPRing is rerouted from the originating node in the ring.C SNCP traffic is rerouted from the originating node in the ring. MS-SPRing traffic is rerouted from the originating node in the ring.D SNCP traffic is selected at the destination node in the ring. MS-SPRing traffic is rerouted from the last reachable node in the ring.
单选题A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（） Ⅰ.gap Ⅱ.sideAⅠonlyBⅡ onlyCboth Ⅰ and ⅡDneither Ⅰ nor Ⅱ
单选题Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）AbackBsideCgapDbottom
多选题What are two characteristics of dual-ring interconnect in SONET networks? （）(Choose two.)AIt protects signals against node failures between rings.BIt protects signals against node failure within a single ring.CIt allows for traffic to be preempted when a ring switch occurs.DTraffic can be dropped and continued at interconnecting nodes.EIt protects preemptible traffic from being dropped when a ring switch occurs.
单选题---Ring off engine! ---Ring off engine! （）AFinished with engine!BEngine rung off!CEngine stand by!DGot it.
单选题In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.Apiston crownBpiston ring grooveCpiston skirtDpiston ring area
单选题If the gas pressure behind the ring is built up too slowly, and thereby exerts an inadequate outward pressureIn such a case, the combustion gas can penetrate between the liner and ring, and violently force the ring inwards, in the grooveWhat result will this type of sudden "shock" loading eventually lead to?（）Amicro-seizureBscratchCbreakDstick
单选题A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（）AgapBsideCbackDradial
单选题On a ship，how many ring buoys are required to have a buoyant line attached?（）AOne ring life buoyBOne ring life buoy on each side of the shipCThree ring life buoysDTwo ring life buoys on each side of the ship
单选题If the compression rings on a diesel engine piston become stuck in the ring groove, the cause may be due to（）Aexcessive ring actionBexcessive ring temperatureCimproper ring rotationDexcessive ring face wear
单选题The sealing function of the piston ring is brought about by the gas pressure above and behind the piston ring, which forces it （） against the bottom of the ring groove, and （） against the cylinder wall.Aupwards；inwardsBupwards；outwardsCdownwards；inwardsDdownwards；outwards
单选题If the back clearance of a piston ring is excessive,（）Acompression pressure in the cylinder will be higherBcarbon will accumulate behind the ringCcombustion gases will penetrate beneath the ring landDpiston side thrust will be increased
单选题Which of the following conditions would cause carbon deposits to form in the piston ring belt of a diesel engine?（）Afaulty combustionBexcessive ring temperatureCover lubricationDall of the above
单选题What is the purpose of Dual Ring Interconnect with D C for SDH rings？（）AProtects signals when a ring switch failsBProtects signals when multiple span switches failCProtects pre-emptible traffic from being dropped when a ring switch occursDProtects signals against any combination of link failure in each ring