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1) The exploitation of mathematics open-ended problems
学开放题开发
2) mathematics open problems
数学开放题
1.
As the implementation of essential-qualities-oriented education and the improvement of elementary education curriculm reform, the research into mathematics open problems has gradually been a heated subject of mathematics educational reseach.
随着素质教育的实施和基础教育课程改革的不断深化,数学开放题的研究逐渐成为数学教育研究的热点。
3) chemistry open-ended problems
化学开放题
1.
The educational value of the chemistry open-ended problems has been recognized by more and more chemistry teachers.
随着基础教育新课程改革不断深入，素质教育和创新教育的全面实施，化学开放题因其独特的探研性与创造性，受到越来越多研究者与教师的关注。
4) open problems of mathematics
数学开放题
1.
As the supplement and development of closed problems, open problems of mathematics is a very important type of Mathematical Problem Solving , whose core is to develop students innovation spirit and crea.
因此,对初中数学开放题教学进一步进行研究将有着重要意义。
5) open problems teaching
开放题教学
1.
The open problems teaching of mathematics has reflected that problem solving is the central thought for mathematics education, and it makes mathematics teaching change from traditional authoritative mode that "teach knowle.
数学开放题教学体现了数学教育以“问题解决”为核心的思想，使数学教学由传统的“传授知识”的权威模式向以“激励学习”为特色的学生自主学习模式转变。
2.
The open problems teaching of mathematics has reflected that Problem solving is the central thought for ma.
数学开放题教学体现了数学教育以问题解决为核心的思想，它是数学教学从传统的“传授知识”的权威模式，向以“激励学习”为特色的学生自主学习模式转变的明智的选择。
6) the open-ended mathematical problem
数学开放题
1.
The study on the stnicture and value in teaching of the open-ended mathematical problems has been a botspot during the past twenty years.
近二十年来，对数学开放题的结构与教学价值研究已逐步形成了一个热点。
补充资料：Pro/E二次开发使用toolkit开发trigger的程序
使用toolkit开发trigger的程序时,往往需要能够连续通过trigger来触发dll中的函数.
我碰到的问题:
1.配置trigger:
Name: CimDll
Event: Create PIV
Time: POST
RequireNO
DLL:Cim.dll
Function:PDMTPIVCreatePostOperation
2.源代码:
int PDMDLLInit()
{
PTCERROR pdm_status;
FILE *g_pfileLog;
g_pfileLog =fopen("test.dat","w");
setbuf(g_pfileLog,NULL);
fprintf(g_pfileLog,"begin test\n");
pdm_status = PDMTriggerRegister("PDMTPIVCreatePostOperation", PDMTPIVCreatePostOperation);
if (pdm_status != PDM_SUCCESS)
{
printf("Failed to Register Trigger PIV Create Post.\n");
}
return (pdm_status);
} int PDMTPIVCreatePostOperation(int argc, void **argv)
{
fprintf(g_pfileLog,"test\n");
.....
fprintf(g_pfileLog,"end test\n");
fclose(g_pfileLog); } 结果:以上代码存在的问题:如果我们在第一次checkin到C/S中后,删除test.dat文件,然后再进行checkin时,发现没有再生成test.dat,在函数PDMTPIVCreatePostOperation()中所进行的对文件的操作都无效.
原因:我们使用trigger触发时,真正起作用的是函数:PDMTPIVCreatePostOperation(),而PDMDLLInit()只是在第一次checkin时起作用,所以在第一次调用PDMTPIVCreatePostOperation()后,我就fclose(g_pfileLog),所以出现了上面的情况.所以注意的是:不要把一些重要的东西放在函数PDMDLLInit()中.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条
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