What are the basic sots or strokes in table tennis then?

乒乓球的基本击球方法有哪些？

Hard dots Half-tone sots produced either by contact or by direct laser scanning. See Soft dots.

由接触复制或由激光直接扫描而得的半色调点子。参阅软点。

In theoretically, the hot spot model of plasma ignition is studied, it can describe the ignition behaviors at a qualitative level and analyze all sots of effects.

理论上，研究了等离子体“过热点”点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

This article provides a general analysis and discus sion of the algorithms, structure, application perspectives of VLSI array proces sots, including Systolic and Wavefront.

本文将分析并讨论脉动与波前阵列处理器的算法、结构和应用。