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Schedule an appointment with an audiologist if your child has trouble learning letter sounds (particularly short vowels, such as "u" and "o"); confuses similar-sounding words (such as "on" and "in," or "to" and "through"); or asks questions that have already been answered.

如果你的孩子在学习字母发音上有困难，那么事先制定一个听力的计划。（特别是短元音，如" U "型和" O "）；混淆相似的词（如"上"和"中"或"去"和"通过"）或是问一些已经被回答过的问题。

Schedule an appointment with an audiologist if your child has trouble learning letter sounds (particularly short vowels, suchas "u" and "o"); confuses similar-sounding words (such as "on" and "in," or "to" and "through"); or asks questions that have already been answered.

如果你的孩子在学习字母发音上有困难，那么事先制定一个听力的计划。（特别是短元音，如" U "型和" O "）；混淆相似的词（如"上"和"中"或"去"和"通过"）或是问一些已经被回答过的问题。

By the single zircon U Pb dating method, the quartz syenite porphyny yielded an age of concordance (1 731±29)Ma, and the aegirine augite syenite and syenogebbro are dated upper cocordi...

应用单锆石U Pb法测定年龄，石英正长斑岩谐和年龄为( 1731± 2 9)Ma ，霓辉正长岩、正长辉长岩上交点年龄分别为( 1644± 14)Ma、( 1750± 65)Ma.1650～ 170 0Ma是碱性岩浆活动热构造事件的标志，石英正长斑岩被中元古代晚期的高山河组不整合覆盖，故以 1650～ 170 0Ma作为熊耳群的上限。1650～ 170 0Ma热构造事件是华北地块重大地质事件，有可能是进一步划分中元古代重要的年龄界限。

The testing method contained fibrin plate assay, direct and indirect chromogenic assay, SDS-PAGE fibrin autography, and visual exhibition of the complexes between rPAI-1 and t-PA or low molecular weight u-PA on SDSPAGE.

所使用的方法包括：纤维蛋白平板法，直接和间接的显色底物法，SDS-PAGE纤维蛋白自显影法，以及用SDS-PAGE直接显示rPAI-1与t-PA和低分子量u-PA形成的复合物。

Let G be a finite group, and S a subset of G not containing theidentity element 1. The Cayley digraph Cay on G with respect to S is definedas a directed graph with vertex set G and edge set {|g∈G, s∈S}. IfS~(-1)=S, then Cay is undirected and in this case, we view two directededges and as an undirected edge {u, v}. Obviously, the right regularrepresentation R of G, the acting group of G by right multiplication, is asubgroup of the full automorphism group AutCay(G, S of Cay.

给定有限群G，设S是G的不含单位元1的子集，群G关于子集S的Cayley有向图Cay是一个以G顶点集合，而以｛|g∈G，s∈S｝为边集合的有向图，特别地，若S~(-1)=S，则X=Cay是无向的，此时我们把一条无向边｛u，v｝等同于两条有向边和，易见，群G的右正则表示R，即G在G上的右乘作用，为图Cay的全自同构群AutCay

The worm hole is a magical point, that is defined by the intersection of the axis of rotation of the u-joint shaft with the axis of steer.

该蠕虫洞是一个神奇的一点，就是确定的十字路口的旋转轴U型联合轴与轴的指导。

My plant 520-1, 520-2 lately large brick machines model 14 pieces and 18, 20 pieces of 100 mm 200 mm Holland brickses at a time, having never needed to use to give plank, and any productseses can produce such as arbitrarily colorful road noodles azulejo, turf-grass brick and U type catchment dike brick and grow 1.2 meters, the breadth is 0.6 meters, the road of thick 0.4 meterses follow the stone and shoulder stoneses can all produce, class produces being 20000 pieces of is above and have the above new model all characteristicses and is a large cement product factory production high grade cement most ideal product nowadays of the head choose an equipments.

本厂最新大型520-1、520-2液压型砖机一次成型14块、18、20块100mm 200mm荷兰砖，无需使用托板、且任何产品都可以生产如任意彩色路面花砖、草坪砖、U型排水渠砖及长1.2米，宽0.6米，厚0.4米的路沿石、路肩石都可全部生产，班产20000块以上并且有以上新机型所有特点、是当今大型水泥制品厂生产高等级水泥制品最理想的首选设备。

My plant 520-1, 520-2 lately large brick machines model 14 pieces 18, 20 pieces of 100 mm × 200 mm Hollbrickses at a time, having never needed to use to give plank, any productseses can produce such as arbitrarily colorful road noodles azulejo, turf-grass brick U type catchment dike brick grow 1.2 meters, the breadth is 0.6 meters, the road of thick 0.4 meterses follow the stone shoulder stoneses can all produce, class produces being 20000 pieces of is above have the above new model allacteristicses is a large cement product factory production high grade cement most ideal product nowadays of the head choose an equipments.

本厂最新大型520-1、520-2液压型砖机一次成型14块、18、20块100mm×200mm荷兰砖，无需使用托板、且任何产品都可以生产如任意彩色路面花砖、草坪砖、U型排水渠砖及长1.2米，宽0.6米，厚0.4米的路沿石、路肩石都可全部生产，班产20000块以上并且有以上新机型所有特点、是当今大型水泥制品厂生产高等级水泥制品最理想的首选设备。

All equipments investments will be lower than old type equipments, truely attain efficiently and consume low a machines to use more, if reach a factory to need one set equipments and then can produce:The turf-grass brick, large road follows a stone, water mill brick, difference type road noodles azulejo, build brick wall brick, eight bore bricks and protect ascent brick, the farmland capital construction and highway two side 1 time's modeling one U type catchment dike, and Yan plank...etc.

6〉全部设备投资要低于老型设备，真正做到高效、低耗一机多用，如构件厂只需一台设备就能生产：草坪砖、大型路沿石、水磨砖、异型路面花砖、砌墙砖、八孔砖、护坡砖、农田基本建设及公路两侧一次性成型U型排水渠、檐板等多种水泥制品。

The result is indistinguishable, within analytical uncertainties, from U-Pb ages of baddeleyite and zircons obtained by previous workers, suggesting that a rock-and ore-forming event did occur in Neoproterozoic in Jinchuan.

此结果也与前人报道的锆石和斜锆石的U-Pb年龄在误差范围内一致，说明了金川的新元古代成矿时代。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。