1 row in set (0.00 sec) 可以看到,type变为了ref,Extra中的Using filesort也消失了,结果非常理想。 再来看一个多表查询的例子。 首先定义3个表class和room。 复制代码代码如下: CREATE TABLE IF NOT EXISTS `class` ( `id` int(10) unsigned NOT NULL AUTO_INCR
(i,j)is predicted to be classc, and 0 otherwise[4]. You can use thegradCAMfunction for nonclassification tasks by specifying a suitable reduction function that reduces the output activations of the reduction layer to a single value and takes the place ofycin the neuron importance weight ...
Pazzato, G.Lieber, C.S.GastroenterologyBaraona, E., Dohmen, K., Pozzato, G., & Lieber, C. S. (1998). Decreased activity of gastric class III (x) ADH can explain increased bioavailability of alcohol in women. Gastroenterology, 114, A1208....
物化子查询尽可能使用内存中存储临时表,若表太大,会退回到磁盘上存储(可参考8.4.4 Internal Temporary Table Use in MySQL)。 2.4.2 与不使用物化的比较 物化子查询使用临时表避免了优化器的某些重写,并使得子查询尽可能只执行一次,而不是对外部查询的每一行执行一次。 如果未使用物化,则优化器有时会将不相关的...
1. **分析句子关系**:两个问题“Do you speak only English in class?”和“Does your teacher explain everything to you in Chinese?”均为一般疑问句,内容均涉及语言使用情况,属于并列关系,需选择表示并列的连词。 2. **逐项排除选项**: - **B(but)**:表转折,但两句无对立含义,排除。 - **C(...
be from来自,根据下文“They were both from China”,可知想知道Tara来自哪里;be from表示“来自”,根据“Two girls in the class wanted to know ...”可知宾语从句,主过从必过,be动词用was。故填was。 (2)题详解: 句意:Tara看起来也像个中国人。不定冠词a修饰单数名词,根据下文“so one of the ...
We group the interactions into the three classes of Induced Diffusion (ID), Parametric Subharmonic Instability (PSI), and Elastic Scattering (ES)—in spite of the original scale-separated definitions, here we keep track of the class also in the local regime (see (E)). The spectral subregions...
due to config or context manager closest seen context tuple differs at positions: 6 compare to tuple returned by config._trace_context() in jax/_src/config.py. PASSED tests/api_test.py::APITest::test_cache_miss_explanations_new_function_in_loop WARNING:2025-04-13 17:55:12,434:jax._...
www.nature.com/scientificreports OPEN Attributes of host‑specificity better explain the diversified wood‑boring longhorn beetles in tropical SW China than plant species diversity Fang Luo 1, Farkhanda Bibi 2, Terd Disayathanoowat 3 & Tial C. Ling 1,3* A ...
A. speak loudly B. speak slowly C. make it easy to understand D. make it difficult to understand 相关知识点: 试题来源: 解析 C。“explain clearly”意思是解释清楚,也就是让问题容易理解。A 选项是大声说;B 选项是慢慢说;D 选项是让问题难以理解,都不符合“解释清楚”的意思。反馈...