For half an hour I haf peen trying to say dot I am ready to bose.

我不是讲了半天愿意给你当模特儿吗？

Specifically, the Working Group was mandated to focus on three lines of activity with relation to the haf.

具体来讲，工作组的使命在与卫生行动框架有关的三个方面进行工作。

Panel filter: an electro statically charged HAF (High Air Flow media) industrial grade panel filter comes standard on all TSC dryers to help protect the the dryer from ingress of dust.

面板过滤器：过滤器表面采用静电处理，并且使用HAF(其中使用的过滤介质可以承受大气量要求)工业等级的滤芯。

A blend with better properties could be obtained by adding phenolic resin 2402/tin bichloride (8/0. 5) curative and a certain level of dioctyl phthalate plasticizer and HAF reinforcing agent.

硫化体系采用酚酸树脂2402／氯化亚锡（8／0．5）、加入一定量的增塑剂邻苯二甲酸二辛酯和补强剂高耐磨炭黑，可获得性能较好的共混体。

The liver perfusion parameters including hepatic blood flow(BF), blood volume(BV), mean transit time(MTT), permeability surface area product(PS) and hepatic arterial fraction (HAF)was calculated.

通过扫描软件得出肝血流量（BF）、血容量（BV）、对比剂平均通过时间（MTT）、渗透表面积乘积（PS）、肝动脉灌注指数（HAF）。

The disadvantage of HAF/PHAF-based polynomial-phase estimation method with short and non-polynomial phase sequences is analyzed in this paper and some general conclusions are drawn after simulations.

文中分析了短序列非多项式相位对HAF 及PHAF的影响，并通过仿真实验给出了具有一般性的结论。