Manoeuvring of ships - part 8 : zig - zag test trial z - test trial 船舶的操纵.第8部分: z字形运行试验
2.
Retrieves or sets the stencil operation to perform if both the stencil test and the depth test z - test pass 检索或设置模具测试和深度测试（ z测试）都通过时要执行的模具操作。
3.
Retrieves or sets the stencil operation to perform if the stencil test passes and the depth test z - test fails 检索或设置模具测试通过而深度测试（ z测试）失败时要执行的模具操作。
4.
First we analyzed the context and construction of the answers to the opened questionnaire to construct the coding handbook , then we receded these answers and used z - test and x2 test to analyze the conception of respect in children and its development . at last we studied the relationship between respect conception and friendships by t - test and anova 首先对收集到的小学儿童尊重观念问卷的开放式回答进行内容分析和结构分析，建立小学儿童尊重观念的编码手册，然后对儿童的尊重观念编码，运用z检验和卡方检验分析小学儿童的尊重观念及其发展规律，最后通过t检验和方差分析探讨尊重观念与友谊关系的各个层面的关系。
