求翻译：由于图1所示模型为有限厚度（h）的试件，放电瞬间相当于沿着厚度方向在裂纹线上作用许多点热源。对于非定常温度场，可将连续分布在空间中鳞次栉比排列着的许许多多等强度的瞬时点热源看成一条功率密度为q的瞬时线热源。其试件内任一点的（x,y,z）在t时刻温度升高为。是什么意思？

As Figure 1 shows the model of finite thickness (h) of the specimen, the discharge instantly equivalent to the number of point heat source at the crack line along the thickness direction. Unsteady temperature field, can be continuous distribution in space, row upon row lined with many such as the in

As shown in Figure 1 model is a limited thickness (h) of the test specimen is equivalent to an instant, the discharge along the crack line thickness direction on many role heat. For non-stationary incubator will be continuous, may be distributed in space, Mihama lined with many, many, such as the st

Because shown in Figure 1 the model for the limited thickness (h) test sample, the electric discharge instantaneous is equal in on-line affects many thermoaes along thickness direction in crack.Regarding the time-dependent temperature field, may is arranging row after row in the space many uniform s

As shown in Figure 1 model for finite thickness (h) specimen, discharge moment equivalent to along the thickness direction in cracking many points on a line heat source. For non-steady temperature field, continuous distribution of mass in space can be lined with lots of strength, such as the instant

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