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PCI is a useful method on the ocular biometry of children with repeatability higher than A-scan.

PC1测量儿童眼球生物参数稳定可靠，与A超的测量结果高度相关，可重复性高于A超。

The general form of solution for the non symmetric matrix A is given, the expression of optimal approximation solution is presented, and an algorithm for solving the problem is described. The total least squares problem with symmetric and bisymmetry constraints is discussed respectively. A sufficient condition for existence of solution is derived by use of the theory of matrix Ricaati equation. The general form of solution is given if the problem has a solution, and the expression of optimal approximation solution is presented. Some numerical examples are given.

对矩阵A是非对称情形，给出了解的一般表达式，证明了最佳逼近问题解的存在唯一性，并给出了其解的表达式，描述了求解问题的算法；讨论了带对称和双对称约束的总体最小二乘问题，利用Ricaati矩阵方程的理论得到了解存在的一个充分条件，分别对对称矩阵和双对称矩阵两种情形，给出了解的一般表达式，证明了最佳逼近问题解的存在唯一性，给出了其解的表达式，提出了求解这些问题的算法，并给出了数值例子。

The spraying granulation process of a 50 kt/a urea melt facility is described, including the control of biuret content, some key problems in the design of drying system and other equipment.

介绍5万t/a熔融尿素喷浆造粒装置的工艺，阐述固体尿素熔融过程中缩二脲的控制、干燥系统设计以及装置设计的一些注意事项。

Bladderwrack contains vitamins A, B1, B2, B3, B5, B12, C, D, E and K, and a wealth of minerals including calcium, copper, chlorine, iodine, iron, magnesium, manganese, nitrogen, phosphorus, potassium, sodium and zinc.

Bladderwrack含有维生素A，为b1，b2，B3中，B5，则维生素B12，C类，D，E和K，以及包括钙，铜，氯，碘，铁，镁，锰，氮，磷，钾，钠矿物财富和锌。

A "master policy" was a policy that provided blanket coverage for the same legal person's property and liabilities located in different places.

a "统括保单"指对同一法人位于不同地点的财产和责任进行统一承保的保单。

This paper describes briefly necessity of improvement of smelting process in Jinchang Smelter,proves that the blister copper production is better to be fixed at 60000-70000t/a after medification from point of view of heat balance of blowing and gas treating capacity of acid - making system and proposes a way to exploring potential in blister copper production capacity in the future.

本文简述了金昌冶炼厂熔炼工艺改造的必要性，从转炉吹炼的热平衡、制酸系统处理烟气能力等方面论证了改造后粗用规模以60－70kt／a为宜，并简要提出今后粗铜能力挖潜途径。

If block u is already in a block buffer, a-addr is the address of that block buffer.

如果区块 u 已经在一个区块缓冲区中， a-addr 是那个区块缓冲区的位址。

A DC bias of approximately 1.2V is present at this pin.A DC blocking capacitor is needed if the signal has a different DC level.

阿约1.2V的直流偏置在这个pin.A直流阻挡电容器，是目前需要的信号，如果有不同的直流电平。

For example, if you're a blood Type A, that means vegetables are your ideal food.

举个例子，如果你是A型，那一位着蔬菜是你的理想食物。

His fastball is 97 mph and he has a curveball, slider and change," said Rodriguez, who provided life in the ninth when he led off with a bloop single to right.

他的快速球达到时速 97 英哩，而且他还有一颗曲球，滑球与变速球，」A-Rod说，A-Rod在第九局无人出局时有一支偏右侧落在内、外野间的一垒安打。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。